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TM- - U950
TM
U950
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.
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Summary of Contents for Epson TM950 - B/W Dot-matrix Printer
- Page 1 TM- - U950 U950 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.
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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 5. Paper is not Auto-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.
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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.
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Page 10: Data From Host Is Not Printed Normally
Part 7A (Serial Version) Data from host is not printed normally. Start Set SW7 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 Does interface cable match Replace with a proper specifications? cable Is the interface cable damaged or Replace interface broken? cable. Return unit to PC-PoS. Beyond Local Repair.
- Page 12 DIP Switch Settings for the TM-U950 For the Serial interface model. TM-U950 DIP switch 1 SW-1 Function Word Length 7 bits 8 bits Parity check Enabled Disabled Parity selection Even Transmission speed selection. See the table below. Connection of Customer Display Connected Not Connected Data reception error...
- Page 13 DIP Switch Settings for the TM-950 For the Parallel interface model. TM-U950P DIP switch 1 SW-1 Function Reserved TM-U950P DIP switch 2 SW-2 Function Auto Line Feed Always Enabled Always Disabled Receive Buffer 32 bytes 2048 bytes Font Selection (Default) 9 x 9 7 x 9 Carriage Speed (paper roll initial...
- Page 14 ERROR LED Patterns for the TM the TM- - U950 U950 Go to Error Error Description Error LED Blinking Pattern part… 1) Head High Temperature Print head temperature is too Main Error. high or abnormal. Auto Cutter does not operate 2) Auto Cutter Error Main correctly...
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