Fuji Xerox Phaser 5500 Service Manual page 363

Blank Print Troubleshooting Procedure (Continued)
Step Actions and Questions
4
Check the Drum Cartridge.
1. Install a new Drum Cartridge.
2. Run a Test Print.
Is the image density normal?
5 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?
6
Check Drum Cartridge installation.
Remove the Drum Cartridge and
check the Drum Cartridge High
Voltage contacts.
Are the contacts clean?
7
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?
8 Check laser beam path.
1. Check that there are no obstacles
between the Laser Assembly and
Drum.
2. Check the Laser Assembly
window for contamination.
Is there any obstacle in the laser
beam path or in the window?
9 Check Laser Assembly installation.
Is the Laser Assembly installed
securely with four screws?
10
Check Laser Assembly installation.
1. Install the Laser Assembly.
2. Print a Test Print.
Is the trouble rectified?
11 Check Laser Assembly connections.
Are P/J130, P/J140, P/J160, P/
J170, P/J406, and P/J620
connected?
CAUTION:
Print-Quality Troubleshooting
Excessive force applied
to the board can cause a
Laser misalignment.
Yes
Problem solved.
Replace the
Transfer Roller
(page 8-44).
Go to Step 7.
Correct and clean
the Earth Plate or
replace the Drum
Cartridge.
Remove obstacles
or clean the Laser
Assembly window.
Go to Step 11.
Problem solved.
Go to Step 12.
No
Go to Step 5.
Go to Step 6.
Clean the contacts.
Go to Step 5.
Go to Step 9.
Go to Step 10.
Go to Step 11.
Connect P/J130, P/
J140, P/J160, P/J170
P/J406, and P/J620.
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