Service Manual
Troubleshooting
7-22
7.5.3 Abnormal noise
• Description
There is noise when copy.
Check and Cause
Solution
1. Check the Scanner Motor and any mechanical
disturbance.
2. Check the Motor Driver in Driver PBA.
7.5.4 Defective Image Quality
• Description
The copied image is light or bad.
Check and Cause
Solution
1. Check shading profile.
2. Check the gap between original and scanner
glass.
3. Check printing quality.
1. Remake shading profile in the tech mode.
2. The gap above 0.5 mm can cause a blurred image.
3. See “Print” troubleshooting.
1. Check the right position of the Scanner Motor, and
check the any mechanical disturbance in the CCD
carriage part.
2. If any driver is defective, replace it.
• Connection PBA U4-1, 19 or U5-1, 19=0V to 24V
swing signal when operating.
Содержание 1600n - Multifunction Laser Printer B/W
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Страница 11: ...Service Manual Reference Information 2 4 2 3 2 A4 2 Pattern ...
Страница 12: ...Reference Information Service Manual 2 5 2 3 3 A4 IDC 5 Patten ...
Страница 23: ...Service Manual Specifications 3 10 MEMO ...
Страница 27: ...Service Manual Summary of Product 4 4 4 1 3 Control Panel ...
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Страница 130: ...Service Manual Exploded View Parts List 8 10 8 4 OPE Unit Assembly 0 1 3 9 8 11 12 10 7 6 5 4 15 13 14 16 2 17 ...
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