Epson TM U200D Technical Reference - Page 81

Troubleshooting Flowchart, Rev. B, Troubleshooting, TM-U200D/U200PD Technical Manual - service manual

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TM-U200D/U200PD Technical Manual Troubleshooting Flowchart If the source of a problem is not clear, use the flowchart below to find and replace a defective component. Normally, servicing should be performed by component replacement. Repairs of the PCBs and other components should be performed only by technicians. Start Power on Is POWER LED lit? Yes Is ERROR LED flashing? No No 1 Yes Take the steps described in Error types and countermeasures. Is PAPER OUT LED lit? No END Yes Is paper roll in near-end condition No or not inserted? Yes 2 Replace or insert paper roll. Semi-automatic No loading executed? 3 Yes Execute the self-test No Is self-test normal? 4 Yes Host sends print data Is printout normal? Yes END No 5 Rev. B Troubleshooting 4-3

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Rev. B
Troubleshooting
4-3
TM-U200D/U200PD Technical Manual
Troubleshooting Flowchart
If the source of a problem is not clear, use the flowchart below to find and replace a defective
component. Normally, servicing should be performed by component replacement. Repairs of
the PCBs and other components should be performed only by technicians.
Execute the self-test
Start
Power on
Is POWER
Is PAPER
Is paper roll in
Is self-test normal?
Is printout
END
Host sends print data
Replace or insert paper roll.
1
3
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
LED lit?
OUT LED lit?
near-end condition
or not inserted?
normal?
2
4
5
loading executed?
Semi-automatic
No
Yes
Is ERROR
LED flashing?
Take the steps
described in Error types
and countermeasures.
END