User's Manual

Symptom
Probable Causes Solutions
Blotchy or mottled images. The paper is too light or too thin. Replace the paper with a
recommended type, and confirm
that your control panel and print
driver settings are correct.
The paper is damp. Replace the paper.
The humidity is too high. Reduce the humidity in the room
or move the printer to a new
location.
Spots or lines appear at regular
intervals on the prints.
One or more of the components in
the paper path is marking the
paper.
1 Print the Repeating Defects
pages.
For details, refer to Printing
Reports.
2 To determine the cause,
measure the distance between
the print defects.
• 28 mm (1.1 in.) - Drum
Cartridge
• 52 mm (2.1 in.) - Drum
Cartridge
• 94 mm (3.7 in.) - Drum
Cartridge
• 56.5 mm (2.2 in.) - Transfer
Roller
• 63 mm (2.5 in.) - Fuser
• 67 mm (2.6 in.) - Fuser
3 If the repeating defects match
one of the Drum Cartridge
distances, replace the one for
the affected color.
4 If the distance matches the
fuser or transfer roller, call for
service.
148
Xerox
®
Phaser
®
6510 Printer
User Guide
Troubleshooting