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Replacing Consumable Items
-174-
Align both guide posts of the image drum with
their guide grooves on the printer, and gently
set the image drum into the printer.
Remove the toner cover (orange) from the
image drum set in the printer by pushing the
projection in the direction of the arrow.
Memo
Dispose of the toner cover as non-burnable waste.
Some toner may remain on the reverse of the toner cover.
Take care as it may stain other parts when removed.
The image drum (the green cylinder) is very delicate.
Handle it with extreme care.
Do not expose the image drum to direct sunlight or bright
interior light (approximately 1,500 lux or more). When
leaving it under normal interior light for 5 minutes or
more, cover it with black paper.
Do not leave the image drum for more than 1 hour, even if
it is covered with black paper.
3 Install a new toner cartridge.
For details, see "Procedure for Replacement"
(P. 172).
4 Close the top cover.
Replacing the Image Drum
(MB441, MB451, MB451w only)
Life Duration of Image Drum
When the [Image Drum Near Life] message
appears on the display screen, prepare a
replacement image drum.
If you continue printing, the message [Please
Replace the Image Drum] will be displayed
and printing will stop.
A guideline for replacing the image drum is every
25,000 pages or so for A4 sized paper (with
single-sided printing). However, this number of
pages is for printing with general conditions (3
pages at a time). Printing one page at a time
reduces the drum life by about half.
The actual number of printed pages may be
halved again relative to the above guideline,
depending on the printing conditions.
Note
The actual number of pages you can print with the image
drum depends on how you use it. The above guideline may be
reduced by more than half, depending on the conditions of
printing.
Note
The print quality may deteriorate after the toner cartridge
has been unpacked for a year. Replace it with a new one.
Procedure for Replacement
Note
The image drum (the green tube) is very delicate. Handle
it carefully.
Do not expose the image drum to direct sunlight or very
bright interior light (approximately more than 1500lux).
Even under the normal interior light, do not leave it for
more than 5 minutes.
To ensure optimum performance, please use original Oki
Data consumables.
Service for problems caused by the use of consumable
items other than genuine OKI consumables is not covered
under the warranty or in the maintenance contract. (This
does not apply to all faults occurring with non-original Oki
Data products; however, please bear this in mind when
using them.)
Guide Post
Guide Post
Guide Grooves
Protrusion
Toner cover
174


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