Xerox Phaser 6180 - Page 366

5-48 Phaser 6180 Color Laser Printer Service Manual
Print-Quality Troubleshooting
3 Check the Transfer Unit. Are there any
damages on the Transfer Unit surface?
Replace the
Transfer Unit
(page 8-7).
Go to step 4.
4 Check the Transfer Unit for correct
installation. Reseat the Transfer Unit.
Does the image quality improve?
Complete. Go to step 5.
5 Check the paper path. Are there any
toner contaminations on the paper
path?
Clean the paper
path.
Go to step 6.
6 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 7. Reconnect the
connectors.
Go to step 7.
7 Check the Print Cartridge (C/M/Y/K)
for correct installation. Reseat the
Print Cartridge.
Does the image quality improve?
Complete. Go to step 8.
8 Check the MCU Board for correct
installation. Reseat the MCU Board.
Does the image quality improve?
Complete. Go to step 9.
9 Check the Image Processor Board for
correct installation. Reseat the Image
Processor Board.
Does the image quality improve?
Complete. Go to step 10.
10 Check the HVPS for correct
installation. Reseat the HVPS.
Does the image quality improve?
Complete. Go to step 11.
11 Replace the Print Cartridge (page 8-9).
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