4-2
Troubleshooting
Rev. A
C o n fid e n tia l
Troubleshooting Flowchart
If the source of a problem is not clear, use the flowchart below to find and replace the defective
component. Normally, perform servicing 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?
END
Replace or insert paper roll.
1
3
No
Yes
Yes
No
Yes
No
Yes
No
No
Yes
LED lit?
OUT LED lit?
near-end condition
or not inserted?
2
4
5
loading executed?
Semi-automatic
No
Yes
Is ERROR
LED flashing?
Take steps described in
“Error types and
countermeasures.”
END
Does auto-cutter
perform normally?
Host sends print data
Is printout
Yes
No
normal?
6
No
Yes
Summary of Contents for TM-U200 Series
Page 6: ...iv Confidential Revision Sheet Revision Page Altered Items and Contents Rev A ...
Page 72: ...2 30 Mechanism Configuration and Operating Principles Rev A Confidential ...
Page 172: ...6 Appendix Rev A Confidential Main Circuit Board Parts Layout ...
Page 176: ...10 Appendix Rev A Confidential ...
Page 186: ...Rev A Appendix A 20 TM U200 Series Type A AM Technical Manual Confidential ...
Page 187: ...Confidential SEIKO EPSON CORPORATION Printed in Japan ...