Epson AcuLaser C9200N Service Manual page 126

EPSON AcuLaser C9200N
E640: COLOR SHIFT TEST PATTERN FAILURE
Transfer Belt Unit
IDC Sensor
Step Action
1 Check if Transfer Belt has damages
and correct as necessary.
2 Check that the IDC Sensor is properly
installed and correct as necessary.
3 Check if the IDC sensor is dirty and
correct as necessary.
4 Check the IDC Sensor connector for
proper connection and correct as
necessary.
5 Check the PWB-M connector for
proper connection and correct as
necessary.
6 Change the cable that connects IDC
Sensor and PWB-M.
7 Change IDC Sensor. (p.210)
8 Change Photoconductor Unit.
9 Change PH Unit. (p.175)
Troubleshooting
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Relevant Electrical Parts
Photoconductor Unit
PH Unit
Connection Diagram
Control Signal
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(p.162)
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E641: COLOR SHIFT ADJUST FAILURE
PH Unit (displacement)
Transfer Belt Unit
Step
Location
(electrical parts)
--- 1 Execute the correction of skew.
(p.315)
--- 2 Check if Transfer Belt has damages
and correct as necessary.
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Service Call Error
Relevant Electrical Parts
Connection Diagram
Action
Control Signal
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Revision D
Location
(electrical parts)
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126
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