Communications Diagnostics | Zebra Technologies TLP 3844-Z manual

Resetting the Factory Default Values

Sometimes, resetting the printer to the factory defaults solves some of the problems. Follow the four-flash sequence instructions in “Feed Button Modes” on page 43.

Communications Diagnostics

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If there is a problem transferring data between the computer and printer, try putting the printer in the communications diagnostics mode. The printer will print the ASCII characters and their respective hexadecimal values (a sample is shown below) for any data received from the host computer. To find out how, refer to the power off mode procedure in “Feed Button Modes” on page 43.

42	980441-001 Rev. A

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Zebra Technologies TLP 3844-Z manual Resetting the Factory Default Values, Communications Diagnostics

Contents

Users Guide Thermal Printers 980441-001 Rev. a Proprietary Statement Media and Ribbon BatteryShock Hazard Static Discharge Contents Operation & Options Universal Serial Bus USB Connector 980441-001 Rev. a Introduction Hello What’s in the Box? Inspecting the Printer Opening the printer Inspecting the Printer Closing the printer Related Documentation Reporting Damage Getting Started Modes of Printing Attaching Power Supply Loading Roll Media Placing the Roll in the Media Compartment Adjusting the Guides Loading Ribbon Install the Ribbon Supply RollInstall the Take-Up Core Attach and Tighten the Ribbon Auto Calibration Feed Button Power SwitchOperator Controls Status Light Printing a Test Printout Hooking Up the Printer and Computer Interface Cable Requirements Ethernet Interface Requirements USB Interface RequirementsParallel Interface Requirements Serial Interface Requirements Parallel Communications Communicating with the PrinterUniversal Serial Bus USB Communications Internal ZebraNet PrintServer Iitm Communications SC Command Defaulting the Serial Parameters Adjusting the Print Speed Adjusting the Print WidthAdjusting the Print Darkness Operation & Options Thermal Printing Replacing a Partially Used Transfer Ribbon Replacing SuppliesAdding a New Transfer Ribbon Printing in Peel-Mode Printing on Fan-Fold Media Using the Cutter Option 980441-001 Rev. a Maintenance Cleaning Media Path Considerations Cleaning Card ConsiderationsPrint Head Considerations Lubrication Platen Considerations Removal AssemblyReplacing the Platen Replacing the Print Head Thermal-Transfer TLP Model Removal Assembly 980441-001 Rev. a Printer is not receiving power TroubleshootingResolutions Printer is on and in an idle state Printer is receiving data Printer has failed its power on self test PostThere is a shortage of memory Either the media or ribbon is out Flash memory is not programmed Print head is under temperaturePrint head is over temperature No print on the label Print Quality ProblemsRibbon sensor settings did not print Printed image does not look right Label format was sent to, but not recognized by, the printer Manual Calibration Recalibration Troubleshooting TestsPrinting a Configuration Label Resetting the Factory Default Values Communications Diagnostics Power Off Mode Communications Diagnostics Mode Feed Button Modes 980441-001 Rev. a Printing Specifications SpecificationsPhysical Specifications Appendix Media Specifications Ribbon Specifications for TLP model Font/Code Specifications Zebra Programming Language ZPL Agency Approvals Options Universal Serial Bus USB Connector Interfaces Parallel Interface Pin No Description Looking into the Printer’s RJ-45 Modular Connector ZebraNet PrintServer II for Ethernet Networks Serial RS-232 Connector Connecting the Printer to a DTE Device 980441-001 Rev. a Index Cable calibration Quality problems Voltage Page