Incorrect Color Image Registration, Moire - Minolta CF910 Service Manual

(23) Incorrect Color Image Registration, Moire

Incorrect Color Image Registration
<Troubleshooting Procedure>
Cause Step
1
Defective IR 2
3
Defective 4
Transfer Film
5
Defective 6
Static Charge
Unit
7
8
Defective 9
Paper Take-
Up/Transport
Unit
OTHERS 10
1144T033AA
Check Item
Is the problem "moire"?
Is the Scanner timing belt
slack?
Are the connectors on PWB-A,
-B, and -C connected prop-
erly?
Is the Transfer Film affixed
properly?
Is Backup Blade 1 correctly
adjusted?
Is the Static Charge Corona
dirty or deteriorated?
Is Backup Blade 2 correctly
adjusted?
Is the Static Charge Roller
grounded properly?
Is the "Feed Motor Speed" cor-
rect?
Do the moire distortions recur
even after changing the orien-
tation of the original?
T-91
Moire
1144T034AA
Result Action
YES Go to step 9.
YES Readjust by referring to
DIS/REASSEMBLY,
ADJUSTMENT.
NO Reconnect the connectors.
NO Referring to
DIS/REASSEMBLY,
ADJUSTMENT, reaffix the
film.
NO Referring to
DIS/REASSEMBLY,
ADJUSTMENT, readjust
Backup Blade 1.
YES Clean or change the
corona.
NO Referring to
DIS/REASSEMBLY,
ADJUSTMENT, readjust
Backup Blade 2.
NO Readjust it.
NO Readjust it.
YES A. Make a copy using a
mode other than "Text &
Photo".
B. Change the zoom and
make a copy.
NO Change the direction of the
original.