Precautions In Performing Troubleshooting Work; Troubleshooting Flowchart - Epson AcuLaser C9200N Service Manual

EPSON AcuLaser C9200N

3.1.3 Precautions in Performing Troubleshooting Work

1. Be sure to unplug the POWER CORD before starting troubleshooting work unless
instructed to plug it.
Never touch any live parts unnecessarily when the power is
on. Never touch the power switch/inlet part even after the
power switch is turned OFF as the part is alive unless the
power cord is unplugged.
2. In case of performing work with covers removed, the interlock and the safety
switches turned ON, and the power turned ON, disconnect the connector on the
PH Unit if not necessary.
In case of performing work with covers removed, the
interlock and the safety switches turned ON, and the power
turned ON, a laser beam may be emitted from the PH Unit.
3. In case of performing work with covers removed, the interlock and the safety
switches turned ON, and the power turned ON, be careful of a high voltage
supplied from the high-voltage power supply.
In case of performing work with covers removed, the
interlock and the safety switches turned ON, and the power
turned ON, never touch the high-voltage power supply and
any other high voltage output part as a high voltage may be
output from high voltage unit.
4. When touching any hot surfaces, take care not to burn yourself.
5. Wear a wrist strap to discharge static electricity from body of worker.
Troubleshooting
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3.1.4 Troubleshooting Flowchart

Is an error message (error code) displayed on the
control panel?
No
Yes
Is it a jam error code?
No
Fix the trouble with reference to the
Service Call Error (p.
Is it a power supply trouble?
No
Is it an image quality
problem?
No
Fix the trouble with reference to the Ch2
and Ch7 " APPENDIX (p. 337)".
Overview
Start
Yes
Fix the trouble with reference to the
3.2 Jam Display (p. 99).
3.3
107).
Yes Fix the trouble with reference to the
Power supply trouble (p. 134).
Yes Fix the trouble with reference to the
Image quality problem (p.
" OPERATING PRINCIPLES (p. 31)"
Revision D
3.4
3.5
136).
98
Confidential