![]() If you're printing from your computer with Lightspeed Hub, the status of your printer will also update from Disconnected to Connected in Lightspeed Hub and on the Devices page in Retail POS. You should now be able to print labels again. Connect one end of the USB cable to your label printer.Ĭonnect the other end of the USB cable to your computer.Connect the power cord to the power supply and an electrical outlet.Connect the power supply to the back of your label printer.To fix this error, make sure your printer is connected correctly: If your printer is disconnected, you will see the below error message in Retail POS: In case your printer still doesn't work correctly, you can also reset it back to its default factory settings. If you're printing from your computer with Lightspeed Hub, the status of your printer will also update in Lightspeed Hub and on the Devices page in Retail POS. NOTE Please contact Zebra Technical Support and provide the diagnostic error code for further troubleshooting.When printing with your Zebra ZD410, ZD420 or ZD421 label printer, Retail POS is designed to help you troubleshoot the below errors: Enable Diagnostic mode on a Desktop printer.Enable Diagnostic mode on a Xi Series& PAX4.This communication test will give the ability to see what data the printer is receiving.īased on the printer, there are different methods used to enable the Communication Diagnostic Mode: This will print straight ASCII hex characters. It does require that your labels are big enough to allow for readable printouts since there may be a lot of data printed. See your printer's Users Guide for the procedure.ĭiagnostic Mode : A communication diagnostic test can be performed to troubleshoot data problems. Are you sending the printer the correct programming language required for your printer? Use the hex dump feature and examine the data being received.Refer to EPL Programming Guide for more details. The EPL format is very specific in the structure, so verify that all data components are correctly placed.For EPL, make sure each line is terminated by a Carriage Return/Line Feed CR/LF.Check that the Zebra Protocol setting (view it on the Configuration Label) is set to NONE. Refer to the article: Printing or Downloading the Configuration Settings of a Zebra ZPL Compatible Printer for more information. This is only used for Ack-Nak type data interchange.ĮPL Printer is not responding when I send my label request.For ZPL Printers, view the Configuration Label and check that the format prefix matches the data being sent from your application. Refer to the article: Printing or Downloading the Configuration Settings of a Zebra ZPL Compatible Printer for more information.Refer to the article: Changing the Default ZPL Language Format Prefix for more information. By default, this is Hex 5E but can be altered in some environments. If using ZPL, make sure the format prefix (i.e., caret ^) is correct. ![]() ZPL formats must begin with ^XA and end with ^XZ. Incomplete formats will not print.See your printer's Users Guide or the links below for the procedure. ZPL Printer is not responding when I send my label request The following details are to ensure the printer and source format data are correctly matched. This information takes some understanding of the details associated with the printer and its settings related to the programming language. The two main languages supported by Zebra's Desktop and Tabletop printers are ZPL and EPL. Check your printer's specification to determine which language your printer supports. ZPL and EPL can be sent to the printers as ASCII text but must be in the correct command format. Zebra printers use their native print language to generate a label. If the printer does not receive the correct language (sending incorrect commands or using the wrong driver selection), the printer will not respond. There are several languages a Zebra Printer may require, including ZPL or EPL. The Zebra Printer requires all label requests to be in the proper programming label format, or the printer will not respond or print. You cannot send a plain text file to the printer and expect a label response. ![]()
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