Fuji Xerox Phaser 5500 Service Manual page 361

Light Print Troubleshooting Procedure (Continued)
Step Actions and Questions
2
Check the Drum Cartridge.
1. Install a new Drum Cartridge.
2. Print a Test Print.
Is the image density normal?
3 Checking the Transfer Roller.
1. Remove the Transfer Roller.
2. Check for contamination or wear.
Is there any contamination or
wear on the Transfer Roller?
4
Check Drum Cartridge installation.
Remove the Drum Cartridge and
check the Drum Cartridge High-
Voltage contacts.
Are the contacts clean?.
5
Check the Drum Cartridge ground.
Remove the Drum Cartridge and
check the Earth Plate located behind
the Drum Cartridge.
Is the Earth Plate contaminated or
deformed?
6 Check image development.
1. Print a Test Print.
2. Turn off the power while printing.
3. Carefully remove the Drum
Cartridge and check the image
formed on the drum right before
the Transfer Roller.
Is the image completely formed
on the drum? Is it clear, black, and
easy to read?
7 Check image transfer.
Check the image formed on the
drum, right after the Transfer Roller.
Is the image completely
transferred on the paper?
8 Check the HVPS.
1. Replace the HVPS (page 8-86).
2. Print a Test Print.
Is the Test Print normal?
9
Check the Engine Logic Board.
1. Replace the Engine Logic Board
(page 8-89).
2. Print a Test Print.
Is the Test Print normal?
Print-Quality Troubleshooting
Yes
Problem solved.
Replace the
Transfer Roller
(page 8-44).
Go to Step 5.
Correct and clean
Earth Plate or
replace the Drum
Cartridge.
Go to Step 7.
Go to Step 9.
Problem solved.
Problem solved.
No
Go to Step 3.
Go to Step 4.
Clean High-Voltage
Contacts.
Go to Step 6.
Go to Step 9.
Go to Step 8.
Go to Step 9.
Replace the I/P Board
(page 8-91).
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