Epson TM-U375 user manual Error light is off but nothing is printed

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If there is no paper jam and the printer has been printing for quite a while, the print head may be overheated. If the print head is overheated, the printer will resume printing when the head has cooled (usually within two or three minutes).

If there is no paper jam and the print head is not overheated, turn off the printer and turn it back on after about 10 seconds. If the printer still does not work, unplug the power supply cord from the outlet immediately. Then contact a qualified service person.

The ERROR light is off but nothing is printed.

Try to run the self-test to make sure that the printer works properly. See Self-testlater in this section. If the self-test does not work, contact your dealer for assistance.

If the self-test works properly, check the following:

1.Check the connection at both ends of the interface cable between the printer and the computer. Make sure that this cable meets the specifications for both the printer and the computer.

2.The data transmission settings may be different between the printer and the computer. Make sure that the printer’s DIP switch settings for data

transmission are the same as the computer's. You can print the printer’s interface settings using the self-test. See Running the Self-testin Chapter 1.

If the printer still does not print, contact your dealer for assistance.

The printer sounds like it is printing, but nothing is printed.

The ribbon cassette may not be installed properly. See Replacing the Ribbon Cassette in Chapter 2.

The ribbon may be worn out. Replace the ribbon cassette as described in Replacing the Ribbon Cassette in Chapter 2.

Troubleshooting 3-3

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Contents TM-U375 Control Panel Printer Part NamesPage EMC and Safety Standards Applied CE Marking Gereäuschpegel About This Manual Setting up and Using FeaturesReference Contents Reference Information TroubleshootingSetting Up the Printer Removing the Protective Materials UnpackingProtective material Remove the protective materials C as the illustration Connecting the Printer to Your Computer TM-U375TM-U375P Connecting the Printer to Your Drawer TM-U375 TM-U375P Anschließen des Druckers an lhre Geldlade AchtungAchtung 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 DIP Switch Set TM-U375 DIP-switch functions42CPL/35CPL 40CPL/33CPL TM-U375P DIP-switch functionsAdjusting 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 Validation Paper Handling Slip Paper HandlingReplacing the Paper Roll Replacing the Ribbon Cassette Qsh Removing the ribbon cassetteOr 3 times Print head Troubleshooting Printing problems General problemsError light is off but nothing is printed Page Release lever Left side of the printer Starting hexadecimal dumping Hexadecimal DumpingEnding hexadecimal dumping Reference Information Character Specifications Printing SpecificationsPaper Paper SpecificationsNumber of Copies Ambient Temperature Glue Location of Slip paper Page Humidity Environmental SpecificationsPrinting on Cut Sheets Interface SpecificationsPage Example print control for cut sheet Transmit Status Identification 12 c
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