Xerox Phaser 6280 Service Manual page 401

Phaser 6280 Color Laser Printer Service Manual
Troubleshooting Procedure Table (continued)
Step Actions and Questions
5 1. Check the laser beam path.
2. Are there any debris between the
Laser Unit and Transfer Unit?
1. Check the wiring harness
6
connectors P/J12 and P/J151
between the Laser Unit and the MCU
Board.
2. Are the connectors securely
connected?
1. Check the Print Cartridge (C/M/Y/K)
7
for correct installation. Reseat the
Print Cartridge (page 8-10).
2. Does the image quality improve?
8 1. Perform Yellow/Magenta/Cyan/Black
Toner Motor test (Yellow, page 4-47;
Magenta, page 4-48; Cyan,
page 4-49; Black, page 4-50):
Service Mode
Motor Test > Yellow/Magenta/
Cyan/Black Toner
2. Does the Dispenser Assembly rotate
properly?
1. Check the MCU Board for correct
9
installation. Reseat the MCU Board
(page 8-86).
2. Does the image quality improve?
1. Check the Image Processor Board
10
for correct installation. Reseat the
Image Processor Board
(page 8-87).
2. Does the image quality improve?
11 1. Check the HVPS for correct
installation. Reseat the HVPS
(page 8-61).
2. Does the image quality improve?
1. Replace the Laser Unit (page 8-50).
12
2. Does the image quality improve?
Yes
Remove the
debris.
Go to step 7.
Complete.
Go to step 9.
> Engine Diag >
Motor.
Complete.
Complete.
Complete.
Complete.
Print-Quality Troubleshooting
No
Go to step 6.
Reconnect the
connectors.
Go to step 7.
Go to step 8.
Replace the
MCU Board
(page 8-86).
If not, replace
the Dispenser
Assembly
(page 8-56).
Go to step 10.
Go to step 11.
Go to step 12.
Replace the
Image
Processor
Board
(page 8-87).
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