Phaser 3600 Printer Service Manual 5-11
Print-Quality Troubleshooting
Light or Undertone Print
The image density is too light in all colors.
Initial Actions
â– Check the paper path for any debris.
â– Check the Control Panel settings for proper print settings.
Troubleshooting Reference Table
Applicable Parts Example Print
â– Transfer Roller, PL1.1.7
â– Laser Scan Unit, PL1.1.15
â– Print Cartridge, PL1.1.34
â– HVPS, PL1.1.29
â– Main Board, PL1.1.19
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Print a demo page.
Does the error still occur when
print
ing?
Go to step 3. Go to step 2.
2 Print a customer application page.
Does the error still occur?
Go to step 3. Complete.
3 Check the paper condition.
Is the paper dry, recommended type,
and l
oaded in the correct position?
Go to step 4. Replace the
pape
r.
4 Check the Print Cartridge for damages.
Is the Print Cartridge damaged?
Replace the
Print
Cartridge.
Go to step 5.
5 Check the Transfer Roll
er for correct
installation. Reseat the Transfer Roller
(page 7-43).
Does the image quality improve?
Complete. Go to step 6.
6 Replace the Main Board (page 7-39).
Does the image quality improve?
Complete. Go to Step 7.
Light or Undertone Print