4-2
4.1.2 Troubleshooting Flowchart
If the source of a problem is not clear, use the flowchart
below to find and replace a defective component.
Start
Power on
No
Yes
1
Yes
No
2
Yes
Replace or insert paper roll.
Is ERROR LED
flashing?
Yes
No
4
Is ERROR LED
lit?
Yes
No
3
No
Is paper roll in
near-end condition or not
inserted ?
Is self-test nor-
mal?
Yes
Host sends print data
Yes
END
Is printout
normal?
7
No
6
No
Yes
Execute self-test (refer to Section 4.1.1)
5
No
Normally, servicing should be performed by component
replacement. Repairs of the PCBs and other components
should be performed only by technicians.
Is paper loaded
by pressing down paper load
switch?
Is JOURNAL OUT
LED lit?
Is POWER
LED lit?
CONFIDENTIAL
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