Incorrect Image Registration - Minolta CF910 Service Manual

(20) Incorrect Image Registration

<Troubleshooting Procedure>
Symptom Step
Defective IR 1
2
Defective PH 3
4
5
6
7
Check Item
Is the value for "Left Image" out of
correct adjustment?
Is the value for "Top Image" out of
correct adjustment?
Is the PH Lower Unit window dirty? YES
Is the value for "Left Margin" out of
correct adjustment?
Is the value for "Top Margin" out of
correct adjustment?
Is the SOS mirror dirty or
scratched?
Are the connectors on the SOS
Board connected properly?
T-87
1144T030AA
Result
YES Readjust by referring to
DIS/REASSEMBLY,
ADJUSTMENT.
YES Readjust by referring to
DIS/REASSEMBLY,
ADJUSTMENT.
Clean the window and
run "Gradation Adjust."
YES Readjust by referring to
DIS/REASSEMBLY,
ADJUSTMENT.
YES Readjust by referring to
DIS/REASSEMBLY,
ADJUSTMENT.
YES Change the PH Upper
and Lower Assy.
NO Reconnect the connec-
tors.
Action