Ricoh 002052MIU User Guide - Page 102

Copy Problems, 8.1 White Copy, 8.2 Black Copy, 8.3 Abnormal Noise

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COPY PROBLEMS 4.8 COPY PROBLEMS 4.8.1 WHITE COPY Description Blank page is printed out when copy. Check and Cause Check the Scan-Cover open. Check shading profile. Check white/black reference voltage in the Main Board. Solution Room light can transit a thin original. Remake a shading profile in the tech mode. Replace the Main Board if it is defective. 4.8.2 BLACK COPY Description Black page is printed out when Copy. Check and Cause Check the CCD problem in Main Board. Check shading profile. Solution Check the CCD harness contact. Remake shading profile in the tech mode. 4.8.3 ABNORMAL NOISE Description There is noise when copy. Check and Cause Check the Scanner Motor and any mechanical disturbance. Check the Motor Driver in the Main Board. Solution Check the right position of the Scanner Motor, and check any mechanical disturbance in the CCD carriage part. If any driver is defective, replace the Main Board. • Connection PBA U4-1, 19 or U5-1, 19=0V to 24V swing signal when operating. B173 4-36 SM

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COPY PROBLEMS
B173
4-36
SM
4.8 COPY PROBLEMS
4.8.1 WHITE COPY
Description
Blank page is printed out when copy.
Check and Cause
Solution
Check the Scan-Cover open.
Room light can transit a thin original.
Check shading profile.
Remake a shading profile in the tech
mode.
Check white/black reference voltage in
the Main Board.
Replace the Main Board if it is
defective.
4.8.2 BLACK COPY
Description
Black page is printed out when Copy.
Check and Cause
Solution
Check the CCD problem in Main Board.
Check the CCD harness contact.
Check shading profile.
Remake shading profile in the tech
mode.
4.8.3 ABNORMAL NOISE
Description
There is noise when copy.
Check and Cause
Solution
Check the Scanner Motor and any
mechanical disturbance.
Check the right position of the
Scanner Motor, and check any
mechanical disturbance in the CCD
carriage part.
Check the Motor Driver in the Main
Board.
If any driver is defective, replace the
Main Board.
ยด Connection PBA U4-1, 19 or U5-1,
19=0V to 24V swing signal when
operating.