Maintenance; Replacing The Toner Cartridge - Oki OKIFAX 5900 User Handbook Manual

Maintenance

Overview

Replacing the Toner Cartridge

!
This machine will only operate using toner cartridges
specified by OKI for the OKIFAX 5700 and 5900. The
use of any other toner will result in the display of an
operation error and in machine malfunction.
Toner Cartridge Kit - Part# 40815606
The number of pages you can print with one toner cartridge
depends on the type of documents you usually receive or
copy. A toner cartridge will print about 2,500 pages/letter 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 machine displays REPLACE TONER CART, replace
the toner cartridge with a new one. However, if the print
quality is good enough, you can continue to use the toner
cartridge without replacing it until the print quality becomes
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78 Handbook
unsatisfactory. If the print density becomes low even before
your machine displays REPLACE TONER CART, gently wipe
the lens surface of the LED array (see Step 8). If the print
quality does not improve, replace the toner cartridge.
!
CAUTION: When you open the top cover, you will see a
label that reads: (CAUTION-HOT). This part is
extremely hot–do not touch it.
1 Lift up on the document tray and swing it up and out of the
way.