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Epson U675 - TM Color Dot-matrix Printer Troubleshooting Manual
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Epson U675 - TM Color Dot-matrix Printer Troubleshooting Manual

Epson U675 - TM Color Dot-matrix Printer Troubleshooting Manual

Pc-pos technical
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Download this manual See also: Service Manual, User Manual
Troubleshooting Guide.
Troubleshooting Guide.
Please use the following flowcharts to help you to diagnose what is wrong
with your printer.
When the flowcharts call for a product to be returned to PC-PoS, please
contact PC-PoS before the unit is sent back.
Some of the following flowcharts discuss changing the Dip switch settings
so that they are appropriate for the intended application. If you are not fully
conversant with doing this then either contact your local dealer or contact
the PC-PoS technical support department nearest to you.
These flowcharts are intended as a basic fault-finding guide only and we do
not encourage any repair to the internal mechanisms or electronic
components by non- PC-PoS technical staff as this will render the warranty
invalid. If you have any questions regarding this matter then please contact
PC-PoS.
TM- - U675
TM
U675- - 011
011

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Summary of Contents for Epson U675 - TM Color Dot-matrix Printer

  • Page 1 TM- - U675 U675- - 011 Troubleshooting Guide. Troubleshooting Guide. Please use the following flowcharts to help you to diagnose what is wrong with your printer. When the flowcharts call for a product to be returned to PC-PoS, please contact PC-PoS before the unit is sent back. Some of the following flowcharts discuss changing the Dip switch settings so that they are appropriate for the intended application.
  • Page 2 The Basic Guide. Start Power On Go to Is the POWER part 1. LED lit? Is the Is the paper roll Load roll paper. PAPER OUT not loaded or LED lit? near roll end? Is the SLIP LED Go to part lit or Flashing? Go to part 2.

  • Page 3: Part 1. Power Led Does Not Light

    Part 1. Power LED does not light. Start Is the power supply cable connected properly? Connect power supply cable properly. To make certain this is done, remove the connector completely and re-insert. Is the Power supply OK? I.E has it been tested on another device? Connect supply to another known...
  • Page 4 Part 2. Paper Out LED is lit. Start Turn the printer off for 30 seconds and then turn back on again. Is the cover closed correctly? Close the cover correctly. The best way to do this is to open the cover and then closing it again fully making certain to feed the paper properly.
  • Page 5 Part 3. SLIP LED lit or flashing. Start Turn the printer off for 30 seconds and then turn back on again. Is the cover closed correctly? Close the cover correctly. The best way to do this is to open the cover and then closing it again fully.
  • Page 6 Part 4. Error LED is Lit or Flashing. Start Hook up connectors correctly. Are the connectors to The easiest way to do this is to remove the printer hooked up the connectors, while the power is off, correctly? and re-connect them. Is the paper type Turn the printer power off and change the DIP switch selected correctly by...

  • Page 7: Part 4. Paper Is Not Loading Correctly

    Part 4. Paper is not Loading Correctly. Start Is paper jammed in the paper inlet path or anywhere in the printer? Remove the paper jam. The best way to do this is to take out ALL paper rolls from the printer and then clean the inside to make certain that all debris is removed.

  • Page 8: Part 6. Self-Test Is Not Normal

    Part 6. Self-test is not normal. The Self-Test. To initiate the self-test for the RECEIPT part of the printer, follow these instructions: Make certain there is either a paper roll or a label roll inserted and loaded into the printer before starting. Turn off the printer using the power button.
  • Page 9 Part 6 cont. Self-test is not normal. Start Does the printer operate at all? Is the cover Close cover properly. closed properly? Printing is carried out, but print quality is deficient or paper feeding is not normal. Return unit to PC-PoS. Beyond Local Repair.

  • Page 10: Data From Host Is Not Printed Normally

    Part 7A (Serial Version) Data from host is not printed normally. Start Set SW1 of DIP switch bank 1 to OFF. Send data from host to printer. Is “?” printed? Are RS-232 interface parameters set to Make settings identical identical values at host printer? Does interface cable match...
  • Page 11 Part 7B (Parallel Version) Data from host is not printed normally. Start Send data from host to printer. Is “?” printed? Are RS-232 interface parameters set to Make settings identical identical values at host printer? Does interface cable match Replace with a proper specifications? cable Is the interface...
  • Page 12 DIP Switch Settings for the TM-U675-011 For the Serial interface model. TM-U675 DIP switch 1 SW-1 Function Data reception error Ignored Prints ‘?’ Receive buffer capacity 45 bytes 4K bytes Handshaking XON/ XOFF DTR/ DSR Word Length 7 bits 8 bits Parity check Enabled Disabled...
  • Page 13 DIP Switch Settings for the TM-U675-011 For the Parallel interface model. TM-U675P DIP switch 1 SW-1 Function Auto line feed Enabled Disabled Receive buffer capacity 40 bytes 4K bytes Reserved Fixed to OFF TM-U675P DIP switch 2 SW-2 Function Handshaking (Busy Condition) Receive Buffer Full Off Line or Receive Buffer Full...
  • Page 14 ERROR LED Patterns for the TM the TM- - U375 U375 Go to Error Error Description Error LED Blinking Pattern part… 1) Head High Temperature Print head temperature is too Error or Paper Roll high or Roll paper is not set Main Insertion Error correctly in the paper path.

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Tm-u675-011