4-2 Troubleshooting Rev. A
Confidential
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
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