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62 Problem Solving
8 Pull the paper out of the paper tray. If any of the
paper is damaged, remove and replace it.
9 Reload the paper into the paper tray.
Replacing the Toner Cartridge
The number of pages you can print with one toner
cartridge varies depending on the type of documents
you usually receive or copy. A toner cartridge will
print about 1,250 pages/A4 size of standard business
communications at a typical print coverage of 4%
(equivalent of CCITT No. 1 test chart). The first toner
cartridge installed in a new image drum unit will have
a decreased yield because the image drum unit itself
has to be filled.
If your fax machine displays REPLACE TONER CART.,
replace the toner cartridge with a new one. However,
if the print density is high enough, you can continue
to use the toner cartridge without replacing it until the
print density becomes too low.
If the print density becomes low even before your
fax machine displays REPLACE TONER CART., gently
wipe the lens surface of the LED array (see Step 7).
If the print density does not improve, replace the
toner cartridge. When your fax machine’s display
shows CHANGE DRUM, replace the image drum unit.
Warning: Be careful when handling the toner car-
tridge. Do not let toner spill on your clothing or other
porous materials. See the Safety chapter at the beginning
of this handbook.
4100 Fax ENGLISH 15/1/97 9:38 am Page 62