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TROUBLESHOOTING AND ROUTINE MAINTENANCE
19 - 19
ZleMFC-US-FAX-4750e/5750e-
WARNING
Just after you have used the machine, some internal parts of the machine are
extremely HOT! When you open the front cover of the machine, never touch
the shaded parts as shown in the diagram below.
3
Gently clean the scanner window by wiping with a clean soft dry cloth. Do not
use isopropyl alcohol.
Cleaning the Drum Unit
We recommend placing the drum unit on a drop cloth or large disposable paper
to avoid spilling and scattering toner.
1
Clean the primary corona wire inside the drum unit by gently sliding the tab
from right to left several times.
2
Return the tab and snap it into the Home position (▼).
Caution
If the tab is not at the Home position, printed pages may have vertical stripes.
HOT!
Scanner Window
Home Position ( )
Tab
Corona Wire