 |
| Laser
printer print defects - Light print, Dark print, or Fade |
|
| 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 |
|
| *On
a scale of 1-10, how often this problem occurs (10 being most likely). |
|
|
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