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Phaser 6280 Color Laser Printer Service Manual
5-25
Print-Quality Troubleshooting
4
1. Check the Transfer Unit for correct
installation. Reseat the Transfer Unit
(page 8-8).
2. Does the image quality improve?
Complete.
Go to step 5.
5
1. Check the laser beam path.
2. Are there any debris between the
Laser Unit and Transfer Unit?
Remove the
debris.
Go to step 6.
6
1. Check the Print Cartridge (C/M/Y/K)
for correct installation. Reseat the
Print Cartridge (page 8-10).
2. Does the image quality improve?
Complete.
Go to step 7.
7
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
>
Engine Diag
>
Motor Test
>
Yellow/Magenta/
Cyan/Black Toner Motor
.
2. Does the Dispenser Assembly rotate
smoothly?
Go to step 8.
Replace the
MCU Board
(page 8-86).
If not, replace
the Dispenser
Assembly
(page 8-56).
8
1. Check the MCU Board for correct
installation. Reseat the MCU Board
(page 8-86).
2. Does the image quality improve?
Complete.
Go to step 9.
9
1. Check the Image Processor Board
for correct installation. Reseat the
Image Processor Board
(page 8-87).
2. Does the image quality improve?
Complete.
Go to step 10.
10
1. Check the HVPS for correct
installation. Reseat the HVPS
(page 8-61).
2. Does the image quality improve?
Complete.
Go to step 11.
11
1. Replace the Print Cartridge
2. Does the image quality improve?
Complete.
Go to step 12.
12
1. Replace the Laser Unit (page 8-50).
2. Does the image quality improve?
Complete.
Replace the
Image
Processor
Board
(page 8-87).
Troubleshooting Procedure Table (continued)
Step
Actions and Questions
Yes
No
Summary of Contents for Phaser 6280
Page 1: ...Phaser 6280 Color Laser Printer Phaser 6280 Service Manual...
Page 2: ......
Page 15: ...Phaser 6280 Color Laser Printer Service Manual xiii...
Page 16: ...xiv Phaser 6280 Color Laser Printer Service Manual...
Page 26: ...xxiv Phaser 6280 Color Laser Printer Service Manual Table of Contents...
Page 62: ...1 36 Phaser 6280 Color Laser Printer Service Manual General Information...
Page 288: ...3 152 Phaser 6280 Color Laser Printer Service Manual Error Messages and Codes...
Page 432: ...5 58 Phaser 6280 Color Laser Printer Service Manual Print Quality Troubleshooting...
Page 558: ...8 112 Phaser 6280 Color Laser Printer Service Manual Service Parts Disassembly...
Page 670: ...I 10 Phaser 6280 Color Laser Printer Service Manual...
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