Epson TM950 - B/W Dot-matrix Printer Support and Manuals
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Most Recent Epson TM950 Questions
Printing Well For Some Users Only
When using Epson tm u950 it prints well in a clear readable way but for aome not clear font are stac...
When using Epson tm u950 it prints well in a clear readable way but for aome not clear font are stac...
(Posted by gody75 9 years ago)
Popular Epson TM950 Manual Pages
Troubleshooting Guide - Page 1
...you . Some of the following flowcharts to help you have any repair to diagnose what is sent back. If you to the internal ...contact the PC-PoS technical support department nearest to PC-PoS, please contact PC-PoS before the unit is wrong with your printer. TM-U950 Troubleshooting Guide. Please use the following flowcharts discuss changing the Dip switch settings so that they are ...
Troubleshooting Guide - Page 2
... lit or Flashing? No
Is the ERROR LED lit?
Yes
Execute the self-test (See part 4for details on how to do this guide)
No
Go to part 4. (See
also at the end of
this ).
No
No
Go to part 2. No
Go to
part 1. Yes
Load roll paper.
Is the paper roll not loaded or near roll end...
Troubleshooting Guide - Page 3
... is done, remove the connector completely and re-insert.
Beyond Local Repair.
I.E has it . Yes
No
Connect supply to PC-PoS.
Re-test the Power Supply on another known working printer and test it been
tested on another unit before proceeding. Part 1. Return unit to another device? Yes
Is the Power supply OK...
Troubleshooting Guide - Page 4
...?
Beyond Local Repair. END
No
OK? Return unit to feed the paper properly. Yes
Close the cover correctly. Yes
END
Paper Out LED is to open the cover and then closing it again fully making certain to PC-PoS. OK? The best way to do this is lit.
Start
Turn the printer off for...
Troubleshooting Guide - Page 5
OK? END
No
OK? Part 3.
Beyond Local Repair.
Yes
Close the cover correctly.
SLIP LED lit or flashing. The best way to do this is to PC-PoS.
Start
Turn the printer off for 30 seconds and then turn back
on again.
Yes No
END
Is the cover
No
closed correctly? Return unit to open the cover
and then closing it again fully. Yes
END
Troubleshooting Guide - Page 6
... settings to remove the connectors, while the power is Lit or Flashing.
Hook up
correctly?
Is the paper type
selected correctly by switching it off ,
and re-connect them. No
Return unit to the printer hooked up connectors correctly. END Start
Are the connectors to PC-PoS. Wait for at least 30 seconds. Part 4.
Error...
Troubleshooting Guide - Page 7
...
The best way to do this is to take out ALL paper rolls from the printer and then clean the inside to PC-PoS. Re-load
paper when finished and re-test.
Return unit to make certain that all debris is not Auto-Loading
Correctly. Beyond Local Repair. Part 5. No
Remove the paper jam. Paper is removed.
Troubleshooting Guide - Page 8
....
2. To initiate the self-test for the SLIP part of the printer. 4. The
self-test should now be flashing. Turn off the printer using the power button. 2.
When printing is complete, the following will give the status of the printer, follow these instructions:
1.
Self-test is either a paper roll or a label roll inserted and loaded into...
Troubleshooting Guide - Page 9
Start
Does the printer
No
operate at all? Is the Ink Ribbon
installed correctly? Yes
Return unit to PC-PoS. Close cover properly.
No
Does it have enough
ink? Beyond Local Repair.
Part 6 cont.
Is the cover
No
closed properly? Yes
END Yes
Printing is carried out, but print quality is deficient or paper feeding is not normal.
Beyond...
Troubleshooting Guide - Page 10
...
Yes
broken? No
Make settings identical
Yes
Replace with a proper cable
No
OK? Yes
END
Send data from host is not printed normally.
No OK? Start
Set SW7 of DIP switch bank 1 to
identical values at host printer?
No
Return unit to PC-PoS.
printed? Beyond Local Repair. Yes
END
Replace interface cable.
Part 7A (Serial Version...
Troubleshooting Guide - Page 11
No
Return unit to PC-PoS. No OK?
Yes
END
Beyond Local Repair. Replace with a proper cable
No OK? Yes
Is the interface
cable damaged or
Yes
broken?
Part 7B (Parallel Version)
Data from host is not printed normally. Start
Does interface
cable match
No
specifications? Yes
END
Replace interface cable.
Troubleshooting Guide - Page 12
... Odd
Not Connected Prints '?' You may damage the printer.
Connection of Customer Display Data reception error Handshaking
Transmission Speed (BPS)
1200 2400 4800 9600
TM-U950 switch 2
SW-2
1 2 3 4
5
6 7 8
Function
Automatic CR Receive buffer capacity Font Selection (Default setting) Carriage Speed (paper roll initial setting) Handshaking Operation (Busy Condition) For Internal Use Only...
Troubleshooting Guide - Page 13
DIP Switch Settings for the TM-950
For the Parallel interface model. TM-U950P DIP switch 1
SW-1 Function
ON
1
2
3
4
5
Reserved
6
7
8
OFF
TM-U950P DIP switch 2
SW-2
1 2 3 4
5
6 7 8
Function
Auto Line Feed Receive Buffer Font Selection (Default) Carriage Speed (paper roll initial setting) Handshaking Operation (Busy Condition) Internal Use Undefined Internal Use
ON
Always Enabled 32...
Troubleshooting Guide - Page 14
.../ write check has failed.
CPU is trying to part...
1) Head High Temperature Print head temperature is too low.
Carriage motor has gone out of step due to paper jam in carriage or other problem.
4) Carriage Detection Error. Main
4
4
3 Main
1 1 Main ERROR LED Patterns for the TM-U950
Error
Error Description
Error LED Blinking Pattern
Go to execute an invalid address...
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