Hardware: Readers & Printers


RFID Readers

RFID Readers

Tag Persistence and Scan Modes

Tag States A and B

During a scan, RFID tags transition between two primary states:

State A (Not Charged): The tag is at rest and ready to be read.

State B (Charged): The tag has been energized and read by the scanner.

Once a tag is scanned and enters State B, it must fully discharge and return to State A before it can be accurately registered in a new, distinct scanning session. The time required for this transition is known as the persistence or "cooldown" period.


Selecting the Appropriate Scan Mode

To manage this charging cycle effectively, your system provides two scanning modes: Speed and Density.

Speed Mode

The mode is designed for rapid, continuous scanning operations.

Functionality: The scanner charges tags for a minimal, unnoticeable duration.

Benefit: Because the charge is brief, tags discharge almost instantly, eliminating the cooldown period. This allows you to conduct back-to-back scan sessions without delay.


Density Mode

The mode is designed for thoroughness and high-volume scanning in crowded environments.

Functionality: The scanner applies a longer charge to the tags to capture a higher volume of data within a single session.

Benefit: Maximizes the number of tags read, ensuring comprehensive capture even in dense or tightly packed areas.

Requirement: Because the tags receive a longer charge, they require approximately 5 minutes to discharge and return to State A. Initiating a new scan before this cooldown completes may result in unread tags.


Configuring Scan Settings

You can toggle between Speed and Density modes directly within the application interface:

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RFID Readers

DT50P All-in-One Reader: Install Battery

This article describes the process of installing the battery when your All-In-One reader arrives.


Instructions

The battery is included in the packaging along with the reader.

1. On the bottom backside of the reader, unlock the handle

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2. Pull the handle off of the reader. It might take some force.

3. Install the battery inside the red rubber band. Ensure that the arrows on the battery are facing towards the top of the reader.

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4. Put the handle back on the reader and lock it

5. Hold the power button on the top of the phone until it buzzes


The Simple RFID app should be preinstalled and ready to use on the home screen.

You will need to connect to your WiFi network in the settings on the reader.


RFID Readers

DT50P All-in-One Reader: Set up MDM / Automatic Updates

This article describes the process of setting up the reader to get automatic updates.

What is an MDM?

MDM stands for Mobile Device Management. It is software that runs on our UROVO devices, that allows us at Simple RFID to manage the device remotely. This allows us to send automatic updates, and troubleshoot issues. This means that we have visibility on when the device is used. We DO NOT have access to any location data, camera, or microphone. If you have any more questions or concerns about this software, please send a message to the support team.

This will completely reset the reader. If you are using the phone attached to the reader for anything other than Simple RFID, be aware that it will be deleted.

Hard Reset Device

  1. Open the Settings app
  2. Scroll down to the bottom and select System
  3. Scroll down and select Reset options
  4. Select Erase all data (factory reset)
  5. Select Erase all data
  6. Select Erase everything & Reboot

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It will reset to the factory default settings. This may take a few minutes. After it is reset, you will see a screen that says Hi There

Do not select Start. If you do, set up the phone and reset again to get on this page.

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Tap the screen above the text 7 times in rapid succession. This will pull up a camera that is looking for a QR code. Scan this QR code:

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This will download our software, and allow us to keep track of the reader. Accept all of the prompts, and you are all set!




RFID Readers

TSL Readers - Troubleshoot common issues

Issue: The reader will not turn on.

Issue: The reader will not pair with a device.

If you're unable to pair your reader with a mobile device via Bluetooth, take the following troubleshooting steps:

If the reader is in pairing mode, but not showing up in your device's Bluetooth menu, try updating the reader's firmware, which will also perform a Bluetooth reset.

Issue: The reader will not charge.

When the reader is charging, the orange light on the side will flash (once, twice, or three times depending on the current charge). When the reader is fully charged, the orange light will remain solid. If the orange light is flashing rapidly, or not on at all, there is an issue with charging: follow the steps below.

Issue: The reader does not read any tags.

When the reader scans a tag, it will beep and vibrate (unless you have the Buzzer or Vibrate setting disabled in the Reader Settings). If the reader is not providing this feedback, check to make sure that the

Issue: The reader is "stuck" on the blue light

If the reader stays turned on with the constant blue light while application is closed, please follow these steps

If you continue to have issues with your scanner, please contact support for further assistance.
RFID Readers

TSL Readers: Install Battery for 2128P

Battery Installation

Your reader may have shipped with the battery already installed.

First, lift the yellow latch on the back of the reader, then slide the handle backwards to remove it:

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Then, remove the battery cover:

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Place the battery in the reader, lining up the pins with the contacts:

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Last, replace the battery cover and the handle:

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Next, pair your reader to your device.
RFID Readers

TSL Readers: Update Firmware

Updating the firmware on your TSL handheld reader can improve the performance of your scans, as well as ensuring you have important fixes that have been pushed by the manufacturer.

If you are using Windows for ARM, you need to install extra drivers. Click here for instructions.

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Requirements:

You may be able to use a cable that was not included with your scanner; however not all cables can transmit data.

Step 1 - Download the Desktop Firmware Loader, and firmware for your reader

On the web portal, click your account name at the top-right of the page and select Resources

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In the "TSL Firmware" section, click "Desktop Firmware Loader," then click the TSL Firmware link that corresponds with your reader:

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The Firmware Loader installer will be a .msi file, and the firmware itself will be a .pff file.

Step 2: Install the Desktop Firmware Loader

Open the downloaded installer, tsl-desktop-firmware-loader.msi

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Follow the setup wizard. If you're asked to allow changes to your computer, select Yes.

Step 3 - Upgrade the firmware

From the Start menu, launch Desktop Firmware Loader:

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Select “…” to choose the firmware file to download

Locate and select the PFF file

Connect the reader to the computer using the supplied USB cable. For TSL 1166 and TSL 2128, you will need to slide your reader into the docking cradle and connect the docking cradle to the computer via USB cable.

If you don't see a message that a COM port has arrived (e.g. Port COM9 arrived), you may need to use a different USB cable.

Click “Download” to start the update process.

Follow the download instructions.

"Forget" the device from your Bluetooth list in your system settings.

Verify Successful Installation

PLEASE NOTE: After firmware updates, any iOS devices MUST forget the scanner, then complete the pairing process again.

Once you have paired the app you can confirm the firmware version from the Connect Reader screen:

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RFID Readers

TSL Readers: Installing VCP Drivers - Windows for ARM

TSL readers' USB connection uses a Virtual COM port, which requires extra driver installations on Windows for ARM. These are the steps to install the drivers.

Step 1: Install the bus layer driver

First, plug the reader into your PC using the supplied USB cable.

Download the ZIP file containing the drivers and extract the files to any location.

To locate the device manager on Windows 10/11, right click on the Microsoft logo at the bottom left-hand corner of the screen and select Device Manager.

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In the Device Manager window there should be a device under Other Devices with a yellow warning symbol to indicate a problem i.e. no driver installed, as shown below.

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Right click on the device, then select “Update Driver Software…”

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This then displays the option for an automatic search or a manual search. Select the second option to browse manually.

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Click Browse... and select the top-level folder of the extracted files (the location shown in the screenshot will not necessarily be the same as the location you choose).

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Select “Next” to start the installation.

When the installation has finished a completion screen is displayed. Press Close to close this window and go back to the Device Manager window.

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Step 2: Install the Virtual Com Port layer of the driver

Device Manager will show a device under Other Devices but in addition to this there is a new entry under Universal Serial Bus Controllers as the USB Serial Converter. This indicates the bus layer of the driver is installed.

Installing the Virtual Com Port layer of the driver is a repeat of the last few steps.

Right click on the other device (USB Serial Por in this example) to bring up a menu as shown below. From the displayed menu select “Update Driver Software…”

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This then displays the option for an automatic search or a manual search. Select the second option to browse manually.

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Click Browse... and select the top-level folder of the extracted files (the location shown in the screenshot will not necessarily be the same as the location you choose).

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Select “Next” to start the installation.

When the installation has finished a completion screen is displayed. Press Close to close this window and go back to the Device Manager window.

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This time Device Manager does not have an entry under Other Devices but does show entries under Universal Serial Bus Controllers and Ports (COM & LPT). The image below displays a correct installation. The device is now ready to use.

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RFID Printers

RFID Printers

Identifying your Printer Model

Desktop printers

These printers can easily be identified visually.

Zebra ZD500R:

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Zebra ZD621R:

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Printronix T800 (T820, T830):

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Industrial Printers

These printers can be harder to tell apart visually, however you can usually find the model number printed on the front as well.

Zebra ZT410:

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Zebra ZT411:

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Printronix T4000:

Note: The T4000 has a media cover that can fold when opened, whereas the T6000e does not.

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Printronix T6000e:

Note: The T4000 has a media cover that can fold when opened, whereas the T6000e does not.

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RFID Printers

What is a Platen Roller?

A platen roller is a rubber-coated cylinder in printers and labelers that drives media (paper/labels) past the printhead, ensuring proper, consistent pressure for high-quality, crisp printing. It serves as a hard, smooth surface against which the printhead presses, crucial for feeding materials without jamming or slippage.

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Key Functions and Details

RFID Printers

Printronix: What Needs to Be Plugged Into a Printronix Printer?

1. Power Connection (Required)

The first and most critical connection is the power supply.

Without power, none of the other connections matter—the printer will not initialize or respond.

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2. Media and Ribbon (Required for Printing)

Although not “cables,” these are essential physical components:

These are loaded inside the printer. Without them, the printer may power on but cannot produce labels.

If you need help with loading media you can visit this Article.

3. Data / Communication Cables

To send print jobs, the printer must be connected to a computer or network. The T800 supports several connection types:

Simple RFID recommends using an Ethernet (LAN) connection for the best stability. USB connections can be used, but Ethernet will provide a more reliable connection.

Ethernet (LAN) Connection (Most Common)

This is one of the most widely used setups in warehouses and offices. The printer supports 10/100 Ethernet LAN connectivity

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Printer will not work if the connection interface is set up incorrectly in the printer settings! Follow this article to configure the interface properly.

USB Connection

The T800 includes USB as a standard interface

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RFID Printers

Printronix: ENTER SWITCH LOCKED

Printronix printers lock the Enter switch to prevent accidental changes to settings. If you see the ENTER SWITCH LOCKED message, just press the Up and Down arrow keys at the same time, and you should then see ENTER SWITCH UNLOCKED.

RFID Printers

Printronix: Unpause your printer

Printers will not print or calibrate if they're paused. Depending on the model of your printer, you'll see different indicators if the printer is paused.

How to tell if your printer is paused

T800: "OFFLINE" in top-right corner

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The OFFLINE text means the printer is paused. Unpause it using the green pause button [      I I      ] below the screen. If prompted to save settings, choose Save Permanently in Active Config. You should then see ONLINE in the top-right corner of the screen, meaning the printer is ready.

ZD621R: Pause indicator above screen

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If the PAUSE light is lit up yellow, the printer is paused. Unpause it using the Pause button [ I I ] to the right of the screen.

ZD500R: PRINTER PAUSED message flashing on screen

If the printer's screen flashes PRINTER PAUSED, unpause it using the Pause button [ I I ] to the right of the screen.

RFID Printers

Printronix Printers: Loading Media & Ribbon

Load media & ribbon into your:

Printronix Printers

T800 Models :


T6000 Model:

T4000 Model :

RFID Printers

Printronix: T800: Loading Media & Ribbon

RFID Printers

Printronix: T4000: Loading Media & Ribbon

RFID Printers

Printronix: T6000: Loading Media & Ribbon

RFID Printers

Printronix: GAP NOT DETECTED

A “GAP NOT DETECTED” error means that the printer was not able to find the gap/mark between labels. There are a few potential causes for this error:

  1. The printer has not performed a media calibration on the labels
  2. The labels are not feeding out of the printer correctly (most often because the labels were back-fed too far into the printer)
    • Solution: Ensure that at least 1 label is sitting past the platen roller.
  3. The media sensor is in the wrong place (it should be underneath the labels, lined up with the gap)
    • Solution: Ensure that the media sensor is sitting directly under the labels, so the gap between the labels will pass over the sensor when feeding/calibrating.
    • After adjusting the sensor, please calibrate your printer again.
  4. The printer is set to the wrong media type (Gap vs. Mark)
    • Solution: Ensure that the Sensors > Control > Gap/Mark Sensor is set to the value that matches your labels (e.g. Gap).
RFID Printers

Printronix: Calibration

Printronix T800, T4000, T6000 - Calibrate from the Printer's Interface

ATTENTION: We suggest first performing the calibration from the website. If the calibration fails, then follow these steps.

Note: Before proceeding with calibration, it is best practice to ensure the onboard RAM is cleared by shutting off the printer, and waiting 30 seconds to power it back on.

Step 1: Media Calibration

First, press the green Pause button on your printer to access the main menu. The menu looks like this:

Press the right arrow key on the printer to select "Calibrate", then press the Enter key.

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The media calibration should only take a few seconds, and once finished, you may see an error similar to the following:



You can ignore this for now. Press Pause to dismiss the error.


Step 2: RFID Calibration

With the printer paused, using the arrow keys, navigate to Settings > RFID (second page)  > Tag Calibration > RFID Calibrate.




If you see an "ENTER SWITCH LOCKED" error, just press the Up and Down keys once, at the same time. You should then see "ENTER SWITCH UNLOCKED" and then you can perform the calibration.

The printer may take a few minutes to complete the RFID calibration. While in progress, you'll see the following window, which will update as progress is made:



Once the calibration is completed, you'll see the following confirmation message:

Press the green Pause button to unpause the printer, then select "Save permanently in Active Config."

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When all the steps have been completed, the printer should show "ONLINE" in the top-right corner of the screen:

Throughout the calibration process, quite a few labels will be fed out of the printer. These blank labels can still be used, so we recommend opening the printer and rolling these labels back up into the printer before printing.

Make sure to unpause the printer again after closing it.

Possible Scenario: "Open Media Bay, Peel off Label"

If you see a message on the printer like the following, you need to perform an extra step to complete the RFID calibration. This is common for smaller labels, such as Mini:

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T800

In this case, you will need to do the following:

  1. Open the printer
  2. Peel off a label from the backing, somewhere behind the media sensor:
    image.png
  3. Close the printer
  4. Press Enter to continue the calibration.


T4000 & T6000

  1. Open the printer cover (DO NOT open the printhead!)
  2. Peel off a label from the backing, somewhere behind the media sensor:
    t6000e peel.png
  3. Close the printer
  4. Press Enter to continue the calibration.

Now, the printer will feed labels until it reaches the empty space, then complete the last step of the RFID calibration.

RFID Printers

Printronix: Alignment

Step 1:

Pause your printer using the green Pause button

Using the arrow and enter keys, navigate to Settings > Media > Image and locate the Vertical Shift and Horizontal Shift settings:

NOTE: The values you see here will not necessarily be the values you need to set.

panelLcd

Adjust the values for these settings according to your needs. 

When you've adjusted these settings unpause the printer using the green Pause button, then select Save permanently in Active Config

Step 2:

Try printing another label, and see if any further adjustments are necessary.

After adjusting these settings, the printer will feed a few labels before printing again. This is expected behavior.

RFID Printers

Printronix: Darkness

If using wax ribbon, we recommend your darkness is set between 0 and 5.

If using resin ribbon, we recommend your darkness is set between 10 and 15.

Press the green Pause button on your printer to open the main menu.

Use the physical navigation keys to navigate to Settings > Media > Image > Print Intensity

print intensity

Press the Enter key, and use the Up and Down arrow keys to adjust the value.

If you see the ENTER SWITCH LOCKED message, just press the Up and Down arrow keys at the same time, and you should then see ENTER SWITCH UNLOCKED.

Press Enter again to apply your settings, then unpause the printer and choose Save Permanently in Active Config.

Keep in mind that print quality/darkness is also affected by the Print Speed. The slower the Print Speed, the less energy is needed to transfer the ink; so the Print Intensity should also be lowered accordingly.

RFID Printers

Printronix: Connecting to Wi-Fi

If you purchased a Printronix printer with Wi-Fi capabilities, follow these instructions to connect the printer to your network.

This article assumes that your Wi-Fi network is protected by WPA Personal with an ASCII passphrase, which covers most cases. If your network is set up differently, contact your network administrator for the correct settings.

Press the Pause button, then use the Left Arrow Key to navigate to Wizard. Press Enter.

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Press Enter again to select Wizards.

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Use the Down Arrow Key to navigate to WLAN, then press Enter.

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If you see the ENTER SWITCH LOCKED message, just press the Up and Down arrow keys at the same time, then wait up to 5 seconds and you should then see ENTER SWITCH UNLOCKED.

You'll now be guided through the setup steps to connect to your Wi-Fi network. Press the Right Arrow Key to advance to the next screen.

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First, you 'll be asked for the SSID of your network. This is also known as the name of your Wi-Fi network.

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Press Enter to edit the SSID Name field, then use the provided keyboard to type the SSID. (Enter your own Wi-Fi name, not Simple RFiD 5G.)

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The SSID name is case-sensitive, and must be an EXACT match in order to connect. Take care to capitalize the correct letters, and use spaces where needed.

Finally, press the Right Soft Key under "Apply" to move to the next setting.

Next, you'll be asked for the Security Type. In most cases, this should be set to WPA Personal. Press Enter to edit the field, then choose the correct option and press Enter again.

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Next, you'll be asked for the WPA Pass-Phrase Format. In most cases, this should be set to ASCII. Press Enter to edit the field, then choose the correct option and press Enter again.

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Next, you'll be asked for the WPA Pass-Phrase. This is your Wi-Fi password. Press Enter to edit the field, then use the provided keyboard to type the password (case-sensitive!).

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Finally, press the Right Soft Key under "Apply" to move to the next setting.

Next, you'll be asked whether you'd like to enable DHCP. In most cases, this should be set to Enable.

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Press the Right Arrow Key to move to the next screen. you'll see a confirmation that you've completed the wizard.

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Press the Right Arrow Key to exit the wizard.

Next, we'll change the Host I/O settings to ensure that the printer is listening for print jobs over the network.

Press the Left Arrow Key until you're back to the Home screen, then select Settings:

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Navigate to Host I/O > Interface, and set this option to Ethernet.

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Last, unpause the printer, and select Save Permanently in Active Config.

The printer will automatically reboot at this point, and when it finishes starting up you should see that your Wi-Fi connection is active:

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RFID Printers

Printronix: Check Firmware Version

From the web portal, click the Available Printers menu.

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Locate your printer, then click the Settings icon.

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Check the value for the Firmware property.

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At the time of writing, these are the latest firmware versions:

To update your printer, follow this guide: Printronix: Update Firmware

RFID Printers

Printronix: Update Firmware via Webpage

To use this upgrade method, your printer must be connected to your network. If a network connection is unavailable, update the firmware via a USB flash drive.

Requirements:

Step 1: Download the latest firmware file

Choose the appropriate file for your printer model:

Step 2: Connect the printer to your network

Make sure all USB cables are disconnected from the printer before continuing.

Using an Ethernet cable with RJ-45 connectors, or Wi-Fi on supported models, connect the printer to your network.

RJ-45.png

When the printer is connected to the network, you will see its IP address at the top-left of the screen:

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(If you don't see this screen, you may need to unpause the printer using the green pause button [ I I ].

Step 3: Navigate to the printer's web page

Type the printer’s IP address into a web browser. You can omit leading zeros in each octet:

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You should be greeted with the printer's home page:

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If you see a page asking you to set a password, we recommend setting it to Print123! to remain consistent with other guides.
If you set the password to something else, make sure you store the password somewhere it can be retrieved later.

Step 4: Capture the printer's current configuration

When you upgrade the firmware, the printer's current settings (including calibration, print intensity, vertical/horizontal shift, and more) will be lost. We will save the printer's current configuration to a file so we can restore it after the upgrade is complete.

Click the Printer link at the top of the Configuration list.

You may be prompted for a username and password at this point. The username is root and the password is Print123! or whatever you set it to in the previous step.
If Print123! doesn't work, try leaving the password field blank.

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Click the Configuration Management link near the top of the page:

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Click the Upload button. This will download a file containing the printer's current configuration. Save this file; we'll use it later to restore the configuration.

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If you see a message like Insecure download blocked, make sure to Keep the download.

Step 5: Perform the upgrade

Click the Configuration link at the top of the page:

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Click the System link at the bottom of the Configuration list:

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You may be prompted for a username and password at this point. The username is root and the password is Print123! or whatever you set it to in the previous step.
If Print123! doesn't work, try leaving the password field blank.

Next, click the Upgrade button in the System menu:

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Click Choose File, then choose the .prg firmware file you downloaded earlier. After selecting the file, you'll see its name listed next to the button.

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Click the Upgrade button. You'll be asked to confirm the operation: click OK.

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The firmware will now be downloaded to the printer. You should see a message on the printer stating that the Download is in progress:

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When the printer has downloaded the firmware, the web page will prompt you to perform a restart. Click Yes.

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After a few minutes, the printer will reboot itself and apply the update. During this time, the web page will be unresponsive. After ~2-3 minutes, the upgrade will be complete.

Step 6: Restore your previous printer config

Refresh the web page so you're back at the Configuration page.

If you see a page asking you to set a password, we recommend setting it to Print123! to remain consistent with other guides.
If you set the password to something else, make sure you store the password somewhere it can be retrieved later.

Click the Printer link at the top of the Configuration list.

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Click the Configuration Management link near the top of the page:

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Click the Choose file button, and select the Printer.ptx configuration file we created earlier. Then, click the Download button.

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You'll see a message confirming that the configuration has been downloaded:

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Wait for the page to be redirected, or refresh the page manually if it doesn't redirect within 15 seconds.

Click the Load link at the top of the list.

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Make sure 1 is selected in the Load Config: dropdown, then click Submit.

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Your printer is now fully updated and configured; you can close the web page and use your printer as normal.

If you have some issues configuring the printer, you can manually configure it: Configuring Your Printronix Printer after a reset



RFID Printers

Printronix: Job in Process

Printronix printers often state "Job in Process" (often misread as "Job in Progress") on their screen, as shown below:

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This message indicates that the printer is processing data from the host. Since this includes periodic status checks and other information, the Job in Process message does not necessarily mean that a print job is in progress. If the printer is idle (not currently printing), then you should be able to submit new print jobs without any issues.

If you are unable to print, the most common cause is that the printer is offline. Follow the steps in this article to troubleshoot: Printer Offline

RFID Printers

Printronix: Updating Firmware via Flash Drive

This upgrade method will replace your printer's configuration with default values from Simple RFID, so you may need to adjust some settings after the upgrade to restore ideal print performance. If you'd like to preserve your current settings, update the firmware via the webpage.

Make sure there is no important data stored on the flash drive before using this method. Formatting the drive will erase ALL data stored!

Requirements:

Step 1: Download the CCM Zip File

Download the ZIP file from the link below which corresponds with your printer model:

Step 2: Extract the file onto your Flash Drive

After downloading, open up file explorer to the file and Extract All from the zip file onto the Flash Drive. At this point the Flash Drive is ready. (Video instructions of this process can be found at the top of this article).

Step 3: Turn off the Printer

With the power cord still plugged in, switch the power off.

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Step 4: Plug the Flash Drive into your Printer

- Plug the Flash Drive into your Printer.

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Step 5: Power on and hold down the Up Arrow

- While you flip the power switch on, hold down on the up arrow on the printer. Keep holding that down until you see "Config Module Detected" on the printer screen.

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Step 6: Wait for the Printer to Reboot

- At this point you will have to wait for the printer to process the files and upgrade. Wait until you see the printer reboot (the printer may reboot multiple times) and a screen that says "Printer Config Installed".

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Step 7: Unplug the Flash Drive and Turn off the Printer

- Go ahead and turn off the printer and take the flash drive out. At this point the printer is configured and updated. Go ahead and plug in the rest of your connections and power on. (Remember to Calibrate before printing again).

The printer will be in Ethernet mode after the upgrade. If you're using a USB connection, change the printer's Interface setting to USB (Pause the printer > Settings > Host I/O > Interface).


RFID Printers

Configuring your Printronix Printer after a reset

When you update the firmware on your Printronix printer, or if you have to reset its settings during troubleshooting, you'll need to configure a few settings for the printer to work with Simple RFID.

  1. First, navigate to the Home screen of the printer by pressing the Pause button. You should see this screen:



  2. Click the Settings button
  3. Within the Settings menu, set the following values:

    If you see an ENTER SWITCH LOCKED error, press the Up and Down keys at the same time, once. You should then see ENTER SWITCH UNLOCKED, and then you can perform the calibration.

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image.png

image.png

image.png

image.png

After changing these settings, press the green Pause button to unpause the printer, then select "Save permanently in Active Config".

image.png


When all the steps have been completed, the printer should show "ONLINE" in the top-right corner of the screen:

You should now be ready to calibrate the printer with either Auto or Manual calibration.

RFID Printers

Printronix: Change Interface

The Interface setting determines which interface the printer will be listening for print jobs on. It's important to have this set correctly, or your printer won't accept print jobs and may not even be detected by the Print Client.

The current interface will show on the printer's Online screen:

image.png

Changing the Interface setting

  1. First, pause your printer.
  2. Open Settings
  3. Navigate to Host I/O > Control
  4. Press Enter to edit the Interface setting
  5. Use the up/down arrow keys to scroll to Ethernet or USB depending on how the printer is connected
  6. Press Enter to select the correct setting
  7. Unpause the printer, and choose Save Permanently in Active Config.

The printer should now display the correct interface.

Follow this article if you are not sure what needs to be plugged into a Printronix printer.

RFID Printers

Printer Setup Instructions

Set up your printer

Watch the video corresponding to your printer model for setup instructions, then continue for instructions to install the Print Client.
Make sure you do both of these steps before your first onboarding call!

Desktop Printers

Zebra Printer (ZD621R, ZD500R)

Printronix Printer (T800)

Industrial Printers

Zebra Printer (ZT411, ZT410)

Printronix Printer (T6000e)

Printronix Printer (T4000 series)

Install the Print Client

Step 1. Connect the printer to the device

The printer can be connected to the PC via Network or USB. Network method is generally more reliable, and therefore preferred if possible.

WARNING: MACOS DEVICES
The macOS version of the Print Client is currently in beta. As such it has the following limitations:
- The macOS Print Client requires Apple Silicon (M1 or later). Macs with Intel processors are not compatible.
- The macOS Print Client does not support Printronix printers via USB. Zebra printers can be connected via USB, but Printronix printers can only be connected via local network.
- The macOS Print Client will not work if certain USB storage devices are connected. This can include flash drives, external hard drives, or even mobile phones. If you disconnect these devices, the print client will run.

Network method

If connecting via network, use the provided CAT6 cable, or a network cable of your own, to attach the printer to your network.

image.png

The printer must be on the same subnet as the host PC in order to be detected by the Print Client.

USB method

If connecting via USB, plug the provided USB cable into your PC and printer. The USB-A connector should be plugged into the PC, while the USB-B connecter should be plugged into the printer:

Last, for the USB method, you'll need to change the Interface setting on the printer to USB.

Such cable type is often used by regular inkjet/laser printers as well.

Step 2. Install Print Client

If you are connecting a Printronix printer via USB, you must use the Windows version currently. macOS only supports Printronix printers via network connection.

Download the Print Client:

  1. Login to the web portal
  2. Click on your account name in the top-right corner
  3. Click "Resources"
  4. On the resources page, under Printing Utilities, click "Set-up Print Client Windows" or "Set-up Print Client macOS" to download

   image.png

Install Client

  1. Open the downloaded file (PrintClient.Updater.Installer.msi or PrintClientUpdater.Installer.pkg). This will launch the installer.
  2. Follow the steps in the installer. You will need to provide Administrator approval to complete the installation.
  3. Enter your Registration Key when prompted. You can find this key on the web portal, on the Customer Profile page under Printing Settings.

    If you don't have access to the key, reach out to your manager.

    If you are not prompted to enter the key, finish the installation, then reach out to Simple RFID support to connect your printer.

    Screenshot 2026-02-16 at 3.11.50 PM.png
    image.png (noshadow)
  4. When the installation is completed successfully, you can close the installer.

Step 3. Assign Location

Please ask your manager to assign the location.

Here are the steps for manager:

  1. Go to User Menu (click on the name on the top right)
  2. Select Printers
  3. Find the new Print Station (often on top, will have "Not assigned" under the location column)
  4. Click the gear icon (image.png) on the right from the Print Station)
  5. In the Location dropdown, set the desired location
  6. Click Apply

Once the printer is connected, it will appear on the Printers page, and in the Available Printers menu.

RFID Printers

Printronix: How do I know if my printer is ready to print?

You'll know the printer is ready to print when it displays "ONLINE" in the top-right corner of its screen and isn't online on the web portal. If either of these conditions isn't met, you can usually resolve it by checking the Printer Offline troubleshooting steps.
RFID Printers

Zebra: Updating Firmware

The following article describes upgrading the firmware for Zebra printers.

Download the latest firmware file for your printer from Zebra's website. The download will be a .zip file, extract it to find the firmware file (.zpl).

Network Methods

These methods are recommended over USB for reliability

Using cURL (cross-platform)

Use curl in your system terminal to send the firmware file directly to the printer:

curl -T <path_to_firmware_file> ftp://<printer_ip_address>
RFID Printers

Zebra Printers: Loading Media & Ribbon


ZD500R & ZD621R

Ribbon & Media


ZT410R & ZT411R

Ribbon & Media

RFID Printers

Zebra: ZD500R: Manual Calibration

  1. Press the button under the HOME symbol.
  2. Use the left-right arrow keys to select TOOLS, then press ENTER.
  3. Use the left-right arrow keys to navigate to MANUAL CALIBRATION, then press START.
    • The printer should now say LOAD BACKING, PRINTER PAUSED.
  4. Open the printer, remove labels from the first three inches of backing. Roll the labels back so that the empty backing is directly over the media sensor. Make sure there is still some backing over the platen roller.
    IMG_3025.jpg   IMG_3024.jpg
  5. Close the printer.
  6. Press the Pause button to begin the calibration.
    • The printer will take a few seconds to measure the sensor through the empty backing.
  7. When the printer says RELOAD ALL, press Pause again.
    • The printer will feed labels out until it identifies the gap successfully.
  8. The manual calibration is now complete. Press the button under the HOME symbol twice to return to the main screen.


RFID Printers

Zebra: ZD500R: Calibrate from Printer's Interface

ATTENTION: We suggest first performing the calibration from the website. If the calibration fails, then follow these steps.

Step 1: Media Calibration

Hold the PAUSE + CANCEL buttons for 2 seconds to start the media calibration.

Step 2: RFID Calibration

Press the menus ‘Home’ (zd500r home.png) button. Navigate to the ‘RFID’ (zd500r rfid.png) menu button and press the ‘Select’ ( — ) button.

Use the Left and Right navigation arrows to browse to the RFID CALIBRATE procedure. Press the select button ( — ) below the START on the lower right hand of the display.

The printer will slowly feed a label while adjusting the location and RFID read/write communication settings for your chosen RFID tag/label.

The printer will feed an additional label in some cases when calibration has completed successfully with the display message reading: READY

At this point, you can open the printer and roll the excess labels back inside. Then, close the printer, unpause it, and you will be ready to print.

RFID Printers

Zebra: ZD500R: Alignment

Adjusting the vertical print position on your labels


From the main screen, press the Home button (house icon).

1.jpg

Select Settings (gear icon).

2.jpg

Use the right arrow on the navigation buttons until you reach LABEL TOP.

3.jpg

Use the up/down arrows to adjust the value:

4.jpg

When you're done, press the Home button again. Your changes will be automatically saved.

RFID Printers

Zebra: ZD500R: Reset to Factory Defaults

Turn off the printer using the switch on the back.

image.png


Press and hold FEED + PAUSE while turning on the printer.

image.png

Continue holding FEED + PAUSE until the first control panel light turns off.

The printer configuration is now reset to the factory default values.

RFID Printers

Zebra: ZD621R: Calibrate from Printer's Interface

ATTENTION: We suggest first performing the calibration from the website. If the calibration fails, then follow these steps.

Step 1: Media Calibration

First, make sure media is properly loaded, the printer cover is closed, and printer power is ON.

To perform a Media Calibration, press and hold PAUSE + CANCEL buttons for two seconds.

image.png


Step 2: RFID Calibration

From the printer's Home screen, press the Menu button:

home screen.png

Next, tap the RFID icon on the right side of the screen, then tap the RFID menu option:

rfid menu.png

Tap RFID Calibrate:

rfid menu options.png

Last, tap Start Calibration to perform the RFID calibration:

start rfid calibration.png

RFID Printers

Zebra: ZD621R: Alignment

Select Menu from the home screen
image.png

Select the Print icon
image.png

Select Label Position/Image Adjust 
image.png

Select Vertical Label Offset or Horizontal Label Offset
image.png

5. Adjust the value (Accepted values: -120 to 120)

Vertical Label Offset: Lower numbers shift everything higher on the label face. Inversely, higher numbers shift everything farther down on the label face, by the specified number of dots.
Horizontal Label Offset: Lower numbers shift everything to the right on the label face. Inversely, higher numbers shift everything to the left on the label face, by the specified number of dots.

RFID Printers

Zebra: ZD621R: Reset to Factory Defaults

After starting the printer, use the touchscreen to click "Menu"

home screen.png

On the left side of the screen, click "Settings"

menu.png

Scroll down and click "Restore Defaults"

Click on "Restore Printer" and accept the prompt

Restore Defaults.png

This will reset the printer to factory defaults.

RFID Printers

Zebra: ZD621R: Adjust Darkness

  1. Using your printer's touchscreen, navigate to Menu > Printer (icon) > Print Quality > Darkness:
    image.png
  2. Use the plus buttons, or slide the slider to increase or decrease the darkness setting.
  3. If you are using resin ribbon, and you usually use wax, you will need to increase this value by at least 10.
  4. The setting will be automatically applied; press the Home button to return to the Idle screen.
RFID Printers

Zebra: ZD621R: Setup Wireless Connection (Wi-Fi)

This setup guide ensures your printer is properly configured for network printing with secure WiFi connectivity.

Prerequisites

Before starting the setup, please make sure that your station has the "Show network printers" option set in your Print Station settings. Contact your Manager if you need assistance.

Connection Setup Steps

1. Launch Wizards

On the printer home screen, tap Wizards.

2. Select Connection

Tap Connection and then Start Connection.

3. Configure Network Settings

Wi-Fi Configuration

Wireless Network Settings

Network Name and Protocol

Note: Case sensitive - must match exactly as shown in other devices' WiFi lists.
Example: Wifi_Network_Name12345

Bluetooth Configuration

Security Settings

4. Complete Setup

Tap End Wizard.

Verification

You should see the message: "Connection Wizard Complete"

After completion, observe the network indicator (right side of screen):

image.png

RFID Printers

Zebra: ZT411R: Load Labels & Ribbon

Watch this video

RFID Printers

Zebra: ZT411R: Adjust Print Darkness

To adjust the print darkness on your ZT411 printer, take the following steps:

  1. On the home screen of the printer, tap the Menu button
  2. Tap the Print icon, then Print Quality, then select the Darkness option
  3. Adjust the darkness setting using the slider or + and - buttons.
    • The darkness setting ranges from 0 to 30.
    • For wax ribbon, the recommended darkness setting is 10-15.
    • For resin ribbon, the recommended darkness setting is 25-30.
  4. After adjusting the darkness, tap the Home button at the top-right of the screen to return to the home screen.

image.png     image.png     zt411-adjust-darkness.png

RFID Printers

Zebra: ZT410R: Load Media & Ribbon

Watch this video

RFID Printers

Zebra: ZT411R: RFID Calibration

ATTENTION: We suggest first performing the calibration from the website. If the calibration fails, then follow these steps.

If the web calibration fails, please watch the video below to calibrate the RFID directly from the printer.

RFID Printers

Zebra: ZT410R: Calibrate

ATTENTION: We suggest first performing the calibration from the website. If the calibration fails, then follow these steps.

To calibrate your printer directly from the printer follow the steps from this video:

RFID Printers

Calibrate from the printer directly


Step 1.
Identify the model of your printer

Step 2.
Select the article for your corresponding printer

Step 3.
Open the related "Calibrate from the Printer's Interface" article (e.g. Printronix T800, T4000, T6000)

Note:
Each printer has its own approach of calibrating it.
If you encounter any issues or have any questions, feel free to email us at support@simplerfid.com !

Fixed Readers

Fixed Readers

Fixed Reader Installation and Setup Instructions

The following article outlines the steps to setting up a fixed reader within Simple RFID

  • RF Reader


Reader connects to Antenna via Coax cable.

Reader can be powered via AC power adapter or PoE.

  • Coax Cable


Coax cable communicates radio signal from Antenna to Reader. Installer may cut and re-end the coax cable if needed. 

IF INSTALLER BRINGS COAX:

(Needed cable length - Series)


5-20 Ft. -- LMR-195


25-45 Ft. -- LMR-240


50-100 Ft. -- LMR 400


Connectors*:


MTI Antenna:SMA (male) to R-TNC (male)


*Connectors based upon antenna

  • Antenna


Antennas connect to Impinj readers via coax cable. Antenna placement recommended at least 10’ from the product. Ensure that the face of the antenna points towards the products.

  • Antenna Mount


Antenna mount provides various options for placement of antennas.

  • AC Power 


Plugs into the Impinj reader to provide power. If the reader is mounted in an area with no AC power option the reader can be powered via PoE.

Not Included:

Install Simple RFID Print Client

Download and Install the Simple RFID Fixed Reader Client from Simple RFID

Confirm that you can see the device on the network

Check reader availability on the network

You can check if the reader is accessible within the network, by accessing its Web Interface:

1. a) Go to https://speedwayr-xx-yy-zz (or https://speedwayr-xx-yy-zz.local if the reader is connected directly to the PC),
where xx-yy-zz is the last three sections of the Speedway reader's MAC address.
or
b) Enter local network IP of your reader in the address bar (e.g. 192.168.1.5)
2. Enter credentials:
Login: root
Password: impinj
(the password may not be shown as you type them)

Set a static IP address on Impinj Speedway RAIN RFID reader

Please note:
The reader has DHCP
Default IP of Reader 192.168.1.5

You may want to change the IP address of the Speedway reader from the default DHCP to a static address.

  1. Download PuTTY from the link below, if you have not already done so:
    http://www.putty.org/
  2. Launch PuTTY. If prompted, run it as administrator.
  3. In "PuTTY Configuration" screen, follow the appropriate steps depending on which port on the Speedway reader you are connected to:

    A) Connect the Ethernet cable to the Ethernet port on the Speedway reader (not the Console port),
        A-1) Choose "SSH" Connection type (default).
        A-2) Enter the Speedway reader's hostname in the "Host Name (or IP address)" field. The  hostname for the Speedway reader is: speedwayr-xx-yy-zz where xx-yy-zz is the last three sections of the Speedway reader's MAC address.

4. Click the "Open" button.

5. You should get an RShell login prompt. If you see a blank screen, hit the "Enter" key once.

6. Type the following login and password information:

Login: root
Password: impinj
(the password may not be shown as you type them)

7. Once you've successfully logged in, you will see something similar to the following. You are now logged into the reader's RShell interface.

8. To find out the Speedway reader's IP address, type the following at the RShell prompt:

 > show network summary

The results (as shown below) indicate a couple of things:

a) ipAddressMode = 'Dynamic' means this Speedway reader is set to acquire its IP address via DHCP. If this Speedway reader was set to a static IP address, it would say 'Static'.

b) ipAddress = '192.168.0.20' indicates this is the IP address for this Speedway reader.

9. To change the IP address, type the following at the RShell prompt:
a) To set the Speedway reader to DHCP:

        > config network ip dynamic

b) To set the Speedway reader to a static IP address:

        > config network ip static xxx.xxx.xxx.xxx
("xxx"s are values between 1 and 255. For example, "config network ip static 192.168.0.20")

--or--
        > config network ip static xxx.xxx.xxx.xxx  xxx.xxx.xxx.xxx  xxx.xxx.xxx.xxx  xxx.xxx.xxx.xxx

For example, if you type:
> config network ip static 192.168.0.20 255.255.255.0 192.168.0.1 192.168.0.255
you are configuring the IP address, Netmask, Gateway, and Broadcast Address respectively, separated by a space character)

NOTE: consult the RShell Reference Manual for additional details.

10. To exit from the RShell interface, type the following at the RShell prompt:

> exit

Notify Simple RFID that the Reader has been connected

____________________________________________________________________________

Verify Reader is Sending Data to Simple RFID

https://support.impinj.com/hc/en-us/articles/202756488-Troubleshooting-Reader-Connectivity-Issues

Fixed Readers

Fixed Reader Overview

Our Fixed Reader setup guide provides complete instructions on installing the Fixed Reader Client, configuring, and connecting to the web portal.

After the fixed reader has been configured, if the reader goes offline you can restart it by restarting the services.

Get the latest firmware from the Impinj website here.

Fixed Readers

Restarting Fixed Reader Client

Install Print Client

Restarting the Fixed Reader Client on the host PC can usually resolve issues related to fixed reader connectivity.









After a few minutes, you should see your fixed reader back online. If the device is still offline, confirm that the host PC is connected to the internet, and contact support@simplerfid.com.

Fixed Readers

Impinj xSpan - Update Firmware

To update the firmware on an Impinj xSpan reader, you can use either the Web UI or a USB flash drive. The Impinj Support Portal outlines both methods, including steps to download the firmware, prepare the USB drive, and initiate the upgrade. 

Method 1: Web UI

  1. Connect to the reader's Web UI: Access the xSpan reader's web interface using a web browser and its IP address.
  2. Log in: If prompted, enter the administrator credentials.
  3. Navigate to the Firmware Upgrade section: Look for a section related to reader upgrades, firmware updates, or software updates.
  4. Browse and select the firmware file: Use the browse button to locate and select the .upg firmware file you downloaded.
  5. Initiate the upgrade: Click the upgrade or install button.
  6. Reboot the reader: Once the firmware upgrade is complete, reboot the reader to activate the new firmware. 

Method 2: USB Flash Drive

  1. 1. Prepare the USB drive:
    Format the USB drive to FAT32 and create the necessary directory structure: `impinj\revolution\upgrade\images\`.
  2. 2. Download the firmware:
    Place the firmware image file (.upg) within the images folder on the USB drive.
  3. 3. Connect the USB drive:
    Plug the USB drive into the xSpan reader's USB Host port while the reader is powered on.
  4. 4. Initiate the upgrade:
    The reader will automatically detect the firmware and begin the upgrade process.
  5. 5. Monitor the upgrade:
    The reader's power LED will flash amber during the upgrade and become solid green upon completion.
  6. 6. Reboot the reader:
    Manually reboot the reader to activate the new firmware. 
Fixed Readers

Impinj xSpan - Troubleshooting Connection

The xSpan reader should by default have DHCP enabled, allowing you to connect via:

However, if you're unable to connect, DHCP may be disabled, in which case you need to connect to the device on its local link address (most likely 169.254.1.1) and use RShell to enable DHCP.

  1. Determine the reader's self-assigned IP address by pinging the hostname:
    • Windows (PowerShell):
      • ping xSpan-XX-XX-XX.local
      • You should see something like this: Pinging xSpan-13-68-53.local [fe80::216:25ff:fe13:6853]%11 with 32 bytes of data:
      • The address in [brackets] is the address of the reader.
    • macOS (Terminal):
      • ping -c 1 xspan-XX-XX-XX.local
      • You should see something like this: PING xspan-13-69-b9.local (169.254.1.1): 56 data bytes
      • The address in (parentheses) is the address of the reader.
  2. Log in via ssh and enable DHCP using RShell:
    • ssh root@<ip address>
    • password: impinj
    • > show network summary
      • You'll likely see ipAddressMode='Static'. This confirms that DHCP is disabled.
    • > config network ip dynamic
      • This will enable DHCP and reboot automatically.

After completing these steps, you should be able to access the reader on your LAN.

Fixed Readers

Impinj R220

The Impinj R220 is a two port reader designed for applications that require 2 antennas (or fewer), such as choke-points, overhead readers, or smart shelving.

Updating Firmware

To update the firmware on an Impinj Speedway Revolution R220 reader, you can use either the Web UI or a USB flash drive. The Web UI method involves connecting the reader to your network, logging in, and selecting the "Reader Upgrade" option to upload the firmware. The USB flash drive method requires formatting the drive to FAT, placing the firmware file on the drive, and inserting it into the reader's USB HOST port. 

Web UI Method:

  1. Connect to the reader's Web UI: You can access the Web UI by connecting your computer to the same network as the reader and accessing the reader's IP address in a web browser. The default IP address is typically http://169.254.1.1.
  2. Log in: Use the default credentials: username "root" and password "impinj".
  3. Navigate to Reader Upgrade: In the Web UI, locate and select the "Reader Upgrade" section.
  4. Upload the firmware: Browse for the firmware file on your computer and upload it.
  5. Upgrade and Reboot: Select the "Upgrade" button and then "Reboot" to apply the new firmware. 

USB Flash Drive Method:

  1. Prepare the flash drive: Format the USB drive to the FAT file system and create the following folder structure: `impinj\revolution\upgrade\images\`.
  2. Place the firmware file: Download the firmware file and place it in the `impinj\revolution\upgrade\images\` folder on the flash drive.
  3. Insert the flash drive: Insert the flash drive into the reader's USB HOST port.
  4. Wait for the upgrade: The firmware will automatically upload to the reader.
  5. Reboot the reader: Manually reboot the reader to complete the firmware update. 


Fixed Readers

Impinj R420


Update Firmware

To update the firmware on an Impinj R420 reader, you can use either the Web UI or a USB flash drive. The Web UI method involves connecting to the reader's IP address, logging in with the default credentials, and selecting the "Reader Upgrade" section to upload the firmware file. Alternatively, you can format a USB flash drive to FAT, copy the firmware file to it, and insert it into the reader's USB HOST port, where it will automatically upload the firmware. 

Using the Web UI:

  1. Connect to the Reader: Ensure the reader is powered and connected to your network. 
  2. Locate the IP Address: Find the reader's IP address (it may be a default address like http://169.254.1.1). 
  3. Log In: Access the reader's Web UI, and log in using the default credentials: username root and password impinj. 
  4. Select Reader Upgrade: Navigate to the "Reader Upgrade" section within the Web UI. 
  5. Browse and Select: Click "Browse" to locate the firmware file (.upg) on your computer and select it. 
  6. Upgrade and Reboot: Click "Upgrade" to start the upload. Once complete, click "Reboot" to apply the new firmware. 

Using a USB Flash Drive:

  1. 1. Format the Drive:
    Format a USB flash drive to FAT.
  2. 2. Copy Firmware:
    Download the firmware file (e.g., .upg) and place it on the flash drive, preferably in a directory structure like impinj\\revolution\\upgrade\\images\\.
  3. 3. Insert and Wait:
    Insert the flash drive into the reader's USB HOST port while the reader is powered on. The power LED will flash amber during the upload.
  4. 4. Reboot:
    Once the power LED turns solid green, manually reboot the reader to apply the new firmware. 

Hardware Policy

All sales are final

TERMS & CONDITIONS All Sales Final All purchases are non-refundable and final upon completion. No refunds will be issued under any circumstances.


SOFTWARE Software as a Service (SaaS) Terms 1-Year Agreement – This agreement reflects a mutual investment, allowing both parties to fully benefit from setup, training, support, and long-term success. Service Period – Begins on the first day of account setup and continues for 12 months. Access – Onboarding materials and access instructions are provided upon payment. Invoicing & Billing – An active payment method must be maintained for supply orders and invoiced charges.

HARDWARE Hardware Requirements Handheld Reader – Requires an Android or iOS smartphone/tablet. RFID Printer – Requires a Windows OS host to run the Print Client. Hardware Warranty Coverage – One-year manufacturers warranty for defects in materials or workmanship affecting functionality.

Exclusions – Does not cover damage from misuse, accidents, negligence, modifications, or normal wear and tear. Customer Responsibility – Maintenance of printheads, platen rollers, and batteries. Regular firmware updates required. Extended Warranty – Additional coverage for up to three years available for purchase.


RFID MEDIA (Labels, Ribbons, RFID Tags) Safeguards Verification – Customers must verify labels are printed and encoded correctly before applying them to products. Regular Checks – Inspect for label shifting during large print jobs and calibrate printers daily or when media changes. Support & Liability Simple RFID does not support media purchased from other providers. Not liable for voided labels, printing/encoding errors, poor print quality, inventory discrepancies, or related losses. Following safeguards helps prevent these issues.

POS (Point of Sale) Readers


Loss Prevention Portals