Periodic Maintenance; Parts Replaced Periodically; Cleaning; Cleaning Led Lens Array - Oki C7400 Maintenance Manual

4.

PERIODIC MAINTENANCE

4.1

Parts Replaced Periodically

It is recommended that the following parts be periodically replaced, as specified, by users (when
they are not replaced, the print quality is not assured and printer problems may result).
Parts Name
Large-Capacity Time when "
Toner Cartridge displayed.
Toner Cartridge Toner Cartridge Time when "
" is displayed.
I/D Unit ID Time when "
is displayed.
Fuser Unit Fuser Unit Time when"
" is displayed.
Transfer Belt Unit Belt Unit Time when "
" is displayed.
Note: The The above periodic parts replacement is performed by users.
4.2

Cleaning

Clean the inside and outside of the printer with waste and a small vacuum cleaner (hand cleaner)
as the case may be.
Caution! Do not touch the terminals of the image drums, the LED lens array and the LED head
connector.
4.3

Cleaning LED Lens Array

When white belts or lines (void, light areas) run the length of a printed page, clean the LED lens
array.
Caution! Be sure to use the LED head cleaner to clean the LED lens array (The LED head cleaner
is packed together with the toner cartridge).
White belt, White line (Void, Light area)
4.4

Cleaning Pickup Roller

When lines run the length of a printed paper, clean the pick up roller.
Caution!
Use a soft cloth so as not to damage the roller surface.
41316401TH Rev.9
Time of Replacement Condition for Replacement
" is 10,000 pages are printed.
5,000 pages are printed.
" 20,000 pages are printed
(3P/job).
60,000 pages are printed.
60,000 pages are printed.
Oki Data CONFIDENTIAL
Adjustment after Replacement
Replace the toner cartridge.
Replace the toner cartridge.
Reset the drum counter after the
replacement of the drum.
Reset the fuser counter.
Reset the belt counter.
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