Printer Operation Manual

56
ROUTINE MAINTENANCE
CHECKING THE TONER LEVEL
The toner level is indicated by a 6-level display. Use it as a guideline for replacing the toner cartridge.
1
Hold down the [Light] key ( ) until
the alarm indicators ( , , , , )
blink.
The display will show
"- -".
2
Hold down the [Copy ratio display] key
( ) for more than 5 seconds.
The approximate quantity
of toner remaining will be
indicated in the display
as a percentage. ("100",
"75", "50", "25", "10" is
displayed.) When the
percentage is less than
10%, "LO" will be
displayed.
3
Press the [Light] key ( ) to return to
the normal display.
The alarm indicators ( , , , , ) go off.
The display returns to the number of copies
display.
ROUTINE MAINTENANCE
CLEANING THE DOCUMENT GLASS AND SPF/
DOCUMENT COVER
If the document glass, SPF, underside of the document cover, or the scanner for originals coming from the SPF (the
long narrow glass surface on the right side of the document glass) become dirty, the dirt may appear on copies.
Always keep these parts clean.
Stains or dirt on the document glass/SPF will also be copied. Wipe the document glass, document cover portion of
the SPF and the scanning window on the document glass with a soft, clean cloth.
If necessary, dampen the cloth with water. Do not use thinner, benzene, or similar volatile cleaning agents.
135
ZOOM
Do not spray flammable cleaner gas. Gas from the spray may come in contact with the internal
electrical components or high-temperature parts of the fusing unit, creating a risk of fire or
electrical shock.
Warning