Xerox Phaser 6180 - Page 352

5-34 Phaser 6180 Color Laser Printer Service Manual
Print-Quality Troubleshooting
2 Check the Print Cartridge (C/M/Y/K)
for damages. Is the Print Cartridge
damaged?
Go to step 3. Replace the
Print Cartridge
(page 8-9).
3 Check the paper condition. Is the
paper dry, recommended type, and
loaded in the correct position?
Go to step 4. Replace the
paper.
4 Check the Transfer Unit. Are there any
damages on the Transfer Unit surface?
Replace the
Transfer Unit
(page 8-7).
Go to step 5.
5 Check the Transfer Unit for correct
installation. Reseat the Transfer Unit.
Does the image quality improve?
Replace the
Transfer Unit
(page 8-7).
Go to step 6.
6 Check for debris in the laser beam
path between the Laser Unit and the
Transfer Unit. Are there any debris?
Remove the
debris.
Go to step 7.
7 Check the wiring harness connectors
P/J12 and P/J151 between the Laser
Unit and the MCU Board.
Are the connectors securely
connected?
Go to step 8. Reconnect the
connectors.
Go to step 8.
8 Check the Print Cartridge (C/M/Y/K)
for correct installation. Reseat the
Print Cartridge.
Does the image quality improve?
Complete. Go to step 9.
9 Check the MCU Board for correct
installation. Reseat the MCU Board.
Does the image quality improve?
Complete. Go to step 10.
10 Check the Image Processor Board for
correct installation. Reseat the Image
Processor Board.
Does the image quality improve?
Complete. Go to step 11.
11 Check the HVPS for correct
installation. Reseat the HVPS.
Does the image quality improve?
Complete. Go to step 12.
12 Replace the Print Cartridge (page 8-9).
Does the image quality improve?
Complete. Go to step 13.
13 Replace the Laser Unit (page 8-50).
Does the image quality improve?
Complete. Replace the
Image
Processor
Board
(page 8-89).
If not, replace
the MCU Board
(page 8-87).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No