What does RFID ERROR mean on my Toshiba Barcode Reader?
- MMark Gibson Jr.Sep 23, 2025
If your Toshiba Barcode Reader shows an RFID ERROR, the printer cannot communicate with the RFID module. Turn the printer off, and then on again.

What does RFID ERROR mean on my Toshiba Barcode Reader?
If your Toshiba Barcode Reader shows an RFID ERROR, the printer cannot communicate with the RFID module. Turn the printer off, and then on again.
What to do if my Toshiba Barcode Reader shows LOW BATTERY?
If your Toshiba Barcode Reader displays 'LOW BATTERY', the voltage of the Real Time Clock Battery is low. If you wish to keep using the same battery, turn off the printer and start it in system mode, set the date and time for the RTC, and reset the printer. Contact a TOSHIBA TEC authorized service representative to replace the battery.
What to do if my Toshiba B-EX4T2 Barcode Reader says PASSWORD INVALID Please Power OFF?
If your Toshiba Barcode Reader displays 'PASSWORD INVALID Please Power OFF', a wrong password was entered three consecutive times. Please consult the system administrator.
What should I do if my Toshiba B-EX4T2 Barcode Reader shows an unspecified error message?
If your Toshiba Barcode Reader displays other error messages, a hardware or software problem may have occurred. Turn the printer off and then on. If this does not solve the problem, contact a TOSHIBA TEC authorised service representative.
Why does pressing the FEED key result in an error on my Toshiba B-EX4T2?
If pressing the [FEED] key on your Toshiba Barcode Reader results in an error, it's likely due to a feed attempt that doesn't match the default conditions: a feed gap sensor type, thermal transfer printing method, and a 76.2 mm media pitch. Change the print condition using the printer driver or a print command to match your printing conditions. Clear the error by pressing the [RESTART] key.
What to do if my Toshiba Barcode Reader says PAPER JAM?
If your Toshiba Barcode Reader displays a 'PAPER JAM' error, it could be due to several reasons. The media may be jammed or not feeding smoothly, in which case you should remove the jammed media, clean the platen, and reload the media correctly, then press the [RESTART] key. Alternatively, the media might not be loaded properly, so try reloading it correctly and then press the [RESTART] key. Another reason may be that the wrong media sensor is selected, so turn the printer off and then on, select the correct media sensor, and resend the print job. The Black Mark Sensor may also be misaligned, so adjust its position and press the [RESTART] key. If the loaded media size doesn't match the programmed size, replace it with matching media, press the [RESTART] key, or turn the printer off and on,...
What does POWER FAILURE mean on Toshiba B-EX4T2 Barcode Reader?
If your Toshiba Barcode Reader displays 'POWER FAILURE', a momentary power failure has occurred. Check that the power source supplying power to the printer has the correct rating. If the printer shares the same power outlet with other electrical appliances that consume large amounts of power, use a different outlet.
How to troubleshoot a RIBBON ERROR on a Toshiba Barcode Reader?
If your Toshiba Barcode Reader displays a RIBBON ERROR, the ribbon may not be feeding properly, or it might not be loaded. Remove the ribbon and check its status, replacing it if necessary. If the problem persists, contact a TOSHIBA TEC authorized service representative. Ensure a ribbon is loaded, if it is missing. The ribbon sensor could also have a problem; in this case, contact a TOSHIBA TEC authorized service representative.
What does SYNTAX ERROR mean on my Toshiba B-EX4T2?
If your Toshiba Barcode Reader displays a SYNTAX ERROR, it means that while the printer was in Download mode for upgrading the firmware, it received an improper command. Turn the printer off, and then on again.
Why my Toshiba Barcode Reader is not printing anything on the media?
If your Toshiba Barcode Reader isn't printing, make sure the media is loaded correctly. Also, check that the ribbon is properly loaded. Ensure the print head is correctly installed and the Print Head Block is closed. Finally, verify that the ribbon and media combination is appropriate for your application.
| Print Method | Thermal transfer |
|---|---|
| Resolution | 203 dpi |
| Print Width | 104 mm |
| Interfaces | USB |
| Optional Interfaces | Wireless LAN |
| Barcodes | Code 39, Code 128, UPC-A, UPC-E, EAN-8, EAN-13, ITF, Codabar, MSI |
| 2D Codes | Data Matrix, PDF417, QR Code, Maxi Code |
| Operating Temperature | 5°C to 40°C |
| Storage Temperature | -20°C to 60°C |
| Humidity | 25 - 85% RH (Non-condensing) |
Introduces the TOSHIBA B-EX4T2 series barcode printer and its owner's manual.
Highlights the printer's key features, including print head design and network capabilities.
Provides instructions and notes for unpacking the printer safely and correctly.
Lists the standard accessories included with the printer.
Details the printer's physical dimensions and views of its front and rear panels.
Lists and describes various optional modules and kits for the printer.
Covers essential precautions and steps for installing the printer in its operating environment.
Explains the procedure for connecting the printer to a power source.
Provides instructions and safety warnings for loading media and ribbons.
Details methods for connecting the printer to a host computer via various interfaces.
Describes the correct procedure for powering the printer on and off.
Guides users on configuring printer parameters for optimal operation.
Details the process of installing printer drivers on Windows operating systems.
Explains how to perform a print test to verify settings and print quality.
Covers fine adjustments for print position, tone, and ribbon motor torque.
Explains how to set and adjust media sensor thresholds for consistent print positioning.
Guides on registering media voltage levels with sensors to resolve paper jam errors.
Explains the usage of the printer's operation panel keys in Online mode.
Describes the information shown on the printer's LCD in various operational states.
Illustrates common printer operations, including error handling and job cancellation.
Details how the printer enters and exits power saving mode to conserve energy.
Provides instructions for cleaning printer components like the print head, platen, and sensors.
Lists printer error messages, their causes, and solutions.
Outlines common printer issues and their troubleshooting steps.
Provides detailed instructions for safely removing jammed media from the printer.
Details the types, sizes, and shapes of media compatible with the printer.
Describes the two types of media (label and tag) and their specifications.
Explains the detection area and position of the transmissive sensor.
Explains the detection area and alignment for the reflective sensor.
Details the relationship between print head width, paper width, and effective print areas.
Lists available RFID tag types and cautions for their use with the printer.
Specifies the shape, size, and handling requirements for approved printer ribbons.
Lists recommended media and ribbon types with print tone adjustment values.
Provides guidelines for proper care and handling of media and ribbons.
Describes the specifications and connector details for the standard USB interface.
Details the specifications, connector, and LED status for the standard LAN interface.
Outlines the specifications and connector pin assignments for the optional serial interface.
Describes the specifications and connector pin assignments for the optional parallel interface.
Specifies the standards, protocols, and settings for the optional wireless LAN interface.
Details the specifications for the optional USB host interface.
Explains the I/O signals and connectors for the optional expansion I/O interface.
Lists available RFID modules, frequency, output, and compatible tag types.
Displays examples of various fonts available for printing.
Shows visual examples of different types of bar codes that the printer can produce.
Defines key terms and concepts related to the printer, its functions, and technologies used.











