Replacing Consumables / Maintenance Units
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4
Lift the toner cartridge in the direction of 
the arrow, and place it on a flat surface.
5
Remove the toner cover and desiccant.
6
Insert the toner cartridge taken out in step 5 
into the image drum in the direction of the 
arrow.
7
Turn the blue lever of the toner cartridge 
fully in the direction of the arrow while 
pressing the top of the toner cartridge.
8
Place a new image drum into the printer.
9
Close the front cover.
Note
• The front cover cannot be closed completely if the top 
cover is not closed.
10
Please recycle used image drums.
Memo
• If you must dispose of an image drum, put it in a plastic 
bag or similar container and dispose of it in accordance 
with your municipality's ordinances or guidelines.
Replace the Image Drum and Toner 
Cartridge Simultaneously
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 1,500 lux). 
Even under the normal interior light, do not leave it for more 
than 5 minutes.
• In order for the printer to exhibit its full performance, please 
use genuine Oki Data consumables.
• Service for problems due to use of consumable items other 
than genuine OKI consumables will incur fees even in the 
warranty period or the maintenance contract period. (Use of 
consumable items other than genuine OKI consumables 
does not always cause problems, but please exhibit caution 
when using those.)
Possible to get burned.
Do not throw a used image drum and toner 
cartridge in the fire. They may explode, and the 
toner inside may fly off and cause getting burned.
Warning