Print-Quality Troubleshooting 5-41
2
Check the paper path.
Is the paper path clear?
Go to Step 3. Remove obstacles or
contamination.
3
Check the Drum Cartridge.
1. Install a new Drum Cartridge.
2. Re-print the defective image.
Is the image density normal?
Problem solved. Go to Step 4.
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?
Replace the
Transfer Roller
(
page 8-44).
Go to Step 5.
5
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?
Go to Step 6. Go to Step 7.
6
Check image transfer.
Check the image formed on the
drum, right after the Transfer Roller.
Is the image completely
transferred on the paper?
Go to Step 8. Go to Step 7.
7
Check the HVPS.
1. Replace the HVPS (page 8-86).
2. Print a Test Print.
Is the trouble rectified?
Problem solved. Go to Step 8.
8
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).
Background Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No