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.
Summary of Contents for 1815 Mono Laser
Page 1: ...Dell 1815dn Service Manual 27 Mar 2006 ...
Page 28: ...Service Manual System Outline 4 10 ...
Page 126: ...Exploded View Parts List Service Manual 8 3 8 2 Cover Ass y 0 1 2 2 3 2 1 2 2 3 4 5 5 1 5 2 6 ...
Page 127: ...Service Manual Exploded View Parts List 8 4 8 3 Middle Cover Ass y 0 1 2 3 4 5 6 6 ...
Page 129: ...Service Manual Exploded View Parts List 8 6 8 5 Rear Cover Ass y 0 1 2 3 7 4 5 6 8 ...
Page 131: ...Service Manual Exploded View Parts List 8 8 8 7 Fuser Drive Ass y 0 1 2 3 5 5 6 7 8 9 4 ...
Page 132: ...Exploded View Parts List Service Manual 8 9 8 8 Main Drive Ass y 0 2 4 1 3 5 6 8 7 6 7 3 ...
Page 136: ...Exploded View Parts List Service Manual 8 13 8 12 OPE Unit 0 1 2 3 4 5 6 7 8 ...
Page 149: ...Block Diagram Service Manual 9 1 9 9 9 Block Diagram ...
Page 150: ...Connection Diagram Service Manual 10 1 10 10 10 Connection Diagram ...