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T R O U B L E S H O O T I N G A N D M A I N T E N A N C E
1
Open the top cover.
2
Remove the drum unit assembly.
3
Wipe the electric terminals with isopropyl alcohol on a cotton swab.
4
Wipe the gears with a clean dry cloth.
5
Gently wipe the scanner window and the toner sensor with a clean
soft dry cloth. Do not use isopropyl alcohol to clean the scanner
window or the toner sensor.
Cleaning the Drum Unit
We recommend you place the drum unit on a drop cloth or large piece of
disposable paper to avoid spilling and scattering toner.
1
Turn the drum unit upside down carefully.
2
Clean the primary corona wire inside the drum unit by gently sliding
the tab from right to left several times.
3
Return the tab to the home position (
reinstalling the drum unit.
Home Position ( )
Tab
CAUTION
If you do not position the tab at the home position, printed pages may
have vertical stripes.
4
Install the drum unit into the machine.
See the section "Replacing the Drum Unit" in this chapter.
5
Close the top cover.
6
Plug in the power cord.
7
Connect the telephone line.
mark position) before
Corona Wire
151
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