| Problem |
Cause |
Solution |
How common* |
Comments |
| Light print, dark print, or fade |
Defective engine controller board or high voltage
power supply. |
Replace the engine controller board and/or high
voltage power supply. |
8 |
|
| Light print, dark print, or fade |
Defective laser/scanner |
Replace the laser/scanner |
6 |
|
| Light print, dark print, or fade |
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 |
6 |
|
| Light print, dark print, or fade |
Toner cartridge is low |
Replace the toner cartridge |
5 |
|
| Light print, dark print, or fade |
Transfer roller is defective |
Replace the transfer roller |
3 |
|
| Light print, dark print, or fade |
Wrong toner density setting |
From the print-quality menu on the control panel,
adjust the toner density setting. Make sure EconoMode is off |
3 |
|
