Filter
Top Products
7-68 Troubleshooting
Table 7-24. Light Print, Dark Print, or Fade
Possible Cause Action
Wrong Toner density
setting.
From the print quality menu on the Control Panel,
adjust the Toner density setting. Make sure
EconoMode is off.
Toner Cartridge is low. Replace the Toner Cartridge.
Transfer Roller is
defective.
Replace the Transfer Roller.
Paper does not meet
printer specifications
or is stored
improperly.
1. Print a few more pages to see if the problem
corrects itself.
2. Turn over the stack of paper in the tray. Also try
rotating the paper 180°.
3. Check the paper (or other print media) type and
quality. Replace the paper, and advise the customer
to use the recommended paper and store it properly.
Poor contact to the
Engine Controller
Board.
1. Ensure that the Drum Ground Spring is connected
to the Engine Controller Board correctly.
2. Clean the contacts if they are contaminated. If the
problem remains after cleaning, or parts are
damaged or deformed, replace them.
3. Replace the Engine Controller Board if necessary.
Defective Laser
Scanner.
Replace the Laser Scanner.
Defective Engine
Controller Board.
Replace the Engine Controller Board.
See also “Faded Print/Bubbles” on page 7-65.