Epson TM-U375 user manual Hexadecimal Dumping, Starting hexadecimal dumping

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7.Close the print head cover. The cover clicks when it is closed securely.

8.Install the ribbon cassette, following the steps in Replacing the Ribbon Cassette in Chapter 2.

9.Install the paper roll, following the steps in Installing the Paper Roll in Chapter 1.

10.Close the printer cover.

The remaining amount of paper roll is not detected correctly.

If a paper roll with a red end mark at the paper end is used, the mark may cause the paper to stick together. If this occurs, the paper roll near-end detector may not work properly. (See Adjusting the Paper Roll End Sensing Position in Chapter 1.)

Hexadecimal Dumping

This feature allows experienced users to see exactly what data is coming to the printer. This can be useful in finding software problems. When you turn on the hex dump function, the printer prints all commands and other data in hexadecimal format along with a guide section to help you find specific commands.

Starting hexadecimal dumping

Open the printer cover and turn on the power while pressing the PAPER FEED button, then close the cover. The printer first prints “Hexadecimal Dump” on the paper roll, and prints the data received thereafter in hexadecimal numbers and their corresponding characters.

Q&L, Notes:

1.“. ” is printed if no character corresponds to the data received.

2.Control commands are printed in bold for emphasis.

3.During hexadecimal dumping, all commands except DLE EOT and DLE ENQ are disabled.

3-6 Troubleshooting

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Contents TM-U375 Printer Part Names Control PanelPage EMC and Safety Standards Applied CE Marking Gereäuschpegel Features About This Manual Setting up and UsingReference Contents Troubleshooting Reference InformationSetting Up the Printer Unpacking Removing the Protective MaterialsProtective material Connecting the Printer to Your Computer TM-U375 Remove the protective materials C as the illustrationTM-U375P Connecting the Printer to Your Drawer TM-U375 TM-U375P Achtung Anschließen des Druckers an lhre GeldladeAchtung TM-U375 Grounding the Printer Connecting the Power Supply Plug the power supply’s power cord into an electrical outlet Installing the Ribbon Cassette Setting Up the Printer 1 1 Installing the Paper Roll Paper inlet Paper Load switch Running the self-test with the slip paper Running the Self-testRunning the self-test with paper roll Running the self-test with validation paper Setting the DIP Switches TM-U375 DIP-switch functions DIP Switch SetTM-U375P DIP-switch functions 42CPL/35CPL 40CPL/33CPLAdjusting the Paper Roll End Sensing Position Distance a Adjustment position number Using the Power Switch Cover Using the Printer Lndicator lights Operating the Control PanelButtons Page Slip Paper Handling Validation Paper HandlingReplacing the Paper Roll Replacing the Ribbon Cassette Removing the ribbon cassette QshOr 3 times Print head Troubleshooting General problems Printing problemsError light is off but nothing is printed Page Release lever Left side of the printer Hexadecimal Dumping Starting hexadecimal dumpingEnding hexadecimal dumping Reference Information Printing Specifications Character SpecificationsPaper Specifications PaperNumber of Copies Ambient Temperature Glue Location of Slip paper Page Environmental Specifications HumidityInterface Specifications Printing on Cut SheetsPage Example print control for cut sheet Transmit Status Identification 12 c