Fuji Xerox Phaser 5500 Service Manual page 372

Vertical Streaks Troubleshooting Procedure (Continued)
Step Actions and Questions
3 Check the Drum Cartridge.
1. Install a new Drum Cartridge.
2. Print a Test Print.
Is the image density normal?
4 Checking the Transfer Roller.
1. Remove the Transfer Roller.
2. Check the Transfer Roller for
contamination and wear.
Is there any contamination or
wear on the Transfer Roller?
5
Check Drum Cartridge installation.
Remove the Drum Cartridge and
check the Drum Cartridge High-
Voltage contacts.
Are the contacts clean?.
6 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?
7 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 obstacles in the laser
beam path or window?
8
Check the Heat and Pressure Roller.
WARNING:
Remove the Fuser.
Is there contamination or defects
on the Heat or Pressure Roller?
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?
5-26
Allow the Fuser to cool
before removing it.
Yes
Problem solved.
Replace the
Transfer Roller
(page 8-44).
Go to Step 6.
Correct and clean
Earth Plate or
replace the Drum
Cartridge.
Remove obstacles
or clean the Laser
Assembly window.
Replace the Fuser
(page 8-76).
Problem solved.
Phaser 5500 Printer Service Manual
No
Go to Step 4.
Go to Step 5.
Clean the contacts.
Go to Step 7.
Go to Step 8.
Go to Step 9.
Replace the I/P Board
(page 8-91).