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Routine maintenance
45
A
h Clean the corona wire inside the drum
unit by gently sliding the blue tab from
left to right and right to left several times.
Note
Be sure to return the tab to the home
position (a) (1). If you do not, printed
pages may have a vertical stripe.
i Put the drum unit and toner cartridge
assembly back into the machine. Close
the front cover.
Note
After replacing the toner cartridge, DO
NOT turn off the machine’s power switch
or open the front cover until the LCD
clears the Please Wait message and
returns to Ready mode.
Replacing the drum unit A
A new drum unit can print approximately
12,000 A4 or Letter size single-sided pages.
Important
For best performance, use only a genuine
our branded drum unit and genuine our
branded toner units. Printing with a third-
party drum unit or toner unit may reduce
not only the print quality but also the
quality and life of the machine itself.
Warranty coverage may not apply to
problems caused by the use of a third-
party drum or toner unit.
Drum Error A
Drum Error
The corona wire has become dirty. Clean the
corona wire in the drum unit. (See Cleaning
the corona wire uu page 52.)
If you cleaned the corona wire and Drum
Error was not cleared, replace the drum unit
with a new one.
Replace Drum A
Replace Drum
Please replace the drum unit with a new one.
We recommend a genuine our branded drum
unit be installed at this time.
After replacing, reset the drum counter by
following the instructions included with the
new drum unit.
1