QMS 1800486-001C 用户手册
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It’s necessary to clean the laser lens only when you find vertical white or light-color
streaking in all primary colors on your printouts.
streaking in all primary colors on your printouts.
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Note:
A dry cotton cloth and a clean piece of paper are required for this procedure.
1
Turn off and unplug the printer.
2
If you have a duplex model, open the
duplexer’s rear cover.
duplexer’s rear cover.
If not, skip to step 3.
Caution:
If you have a duplex model,
make sure you have opened the
duplexer’s rear cover before opening the
printer’s top cover. Forced opening of the
top cover first may damage the unit.
duplexer’s rear cover before opening the
printer’s top cover. Forced opening of the
top cover first may damage the unit.
3
Open the printer’s front cover.
Squeeze the latch near the upper-right
corner of the cover.
corner of the cover.
Caution:
This is necessary, as it pulls the
toner cartridges forward slightly to make
room for the OPC belt cartridge. You could
damage the OPC belt if you don’t
do this.
room for the OPC belt cartridge. You could
damage the OPC belt if you don’t
do this.
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Note:
The illustrations for steps 3 through
8 show the printer without the duplexer.
However, the instructions are the same for
both models.
However, the instructions are the same for
both models.