 |
| Laser
printer print defects - Vertical Dots |
|
| Problem
|
Cause
|
Solution
|
How
common* |
Comments |
| Vertical dots |
Defective
engine controller board. |
Replace the
engine controller board |
5 |
|
| Vertical dots |
Deformed or
deteriorated transfer roller |
Replace the
transfer roller |
5 |
|
| Vertical dots |
Poor contact
between the static eliminator and the engine controller board |
Clean the
contacts, if contaminated. If the problem remains after cleaning, or parts
are damaged or deformed, replace them. |
2 |
|
| *On
a scale of 1-10, how often this problem occurs (10 being most likely). |
|
|
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