Print-Quality Troubleshooting 5-39
4
Check Drum Cartridge installation.
Remove the Drum Cartridge and
check the Drum Cartridge High
Voltage contacts.
Are the contacts clean?.
Go to Step 5. Clean the contacts.
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?
Correct and clean
the Earth Plate or
replace the Drum
Cartridge.
Go to Step 6.
6
Check the Drum Cartridge.
1. Install a new Drum Cartridge.
2. Print 30 Test Prints.
Does the residual image appear?
Go to Step 7. Problem solved.
7
Check the Heat and Pressure Roller.
WARNING: Allow the Fuser to cool
before attempting to
remove it.
Remove the Fuser.
Is there any contamination or
defects on Heat or Pressure
Roller?
Replace the Fuser
(
page 8-76).
Go to Step 8.
8
Check that the HVPS is installed
correctly?
Is the HVPS installed correctly?
Replace the HVPS. Go to Step 9.
9
Check the Engine Logic Board.
1. Replace the Engine Logic Board
(page 8-89).
2. Print a Test Print.
Is the trouble rectified?
Problem solved. Replace the I/P Board
(
page 8-91).
Residual Image Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No