OKI C5900N User Manual

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CONSUMABLE ORDER DETAILS
* Average life: 20% pages at continuous print, 50% pages at 3 
pages per job and 30% pages at 1 page per job.
ITEMLIFEORDER 
NO.
Toner, C5900, black 6,000 A4 @ 5%* 43324424
Toner, C5900, cyan5,000 A4 @ 5%*43324423
Toner, C5900, magenta 5,000 A4 @ 5%* 43324422
Toner, C5900, yellow5,000 A4 @ 5%*43324421
Toner, C5700, black 6,000 A4@ 5%* 43324408
Toner, C5700, cyan2,000 A4@ 5%*43381907
Toner, C5700, magenta 2,000 A4@ 5%* 43381906
Toner, C5700,...

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Only use genuine Oki Original consumables to ensure the 
best quality and performance from your hardware. Non 
Oki Original products may adversely affect your printers 
performance and invalidate your warranty. 
TONER CARTRIDGE REPLACEMENT
The toner used in this printer is a very fine dry powder. It is 
contained in four cartridges: one each for cyan, magenta, yellow 
and black.
Have a sheet of paper handy so that you have somewhere to 
place the used cartridge while you...

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2.Note the positions of the four cartridges.
(a)Pull the coloured toner release lever (1) on the 
cartridge to be replaced fully towards the front of the 
printer.
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2
3
4
1. Cyan cartridge 2. Magenta cartridge
3. Yellow cartridge 4. Black cartridge
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3.Lift the right-hand end of the cartridge and then draw the 
cartridge to the right to release the left-hand end as 
shown, and withdraw the toner cartridge out of the 
printer.
4.Put the cartridge down gently onto a piece of paper to 
prevent toner from marking your furniture.
5.Remove the new cartridge from its box but leave its 
wrapping material in place for the moment.
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1
CAUTION!
The green image drum surface is very delicate and light 
sensitive. Do not touch it...

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6.Gently shake the new cartridge from end to end several 
times to loosen and distribute the toner evenly inside the 
cartridge.
7.Remove the wrapping material and peel off the adhesive 
tape from the underside of the cartridge.
8.Holding the cartridge by its top centre with the coloured 
lever to the right, lower it into the printer over the image 
drum unit from which the old cartridge was removed.
9.Insert the left end of the cartridge into the top of the 
image drum...

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drum unit, then lower the right end of the cartridge down 
onto the image drum unit.
10.Pressing gently down on the cartridge to ensure that it is 
firmly seated, push the coloured lever (1) towards the 
rear of the printer. This will lock the cartridge into place 
and release toner into the image drum unit.
11.Finally, close the top cover and press down firmly at both 
sides so that the cover latches closed.
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IMAGE DRUM REPLACEMENT
Switch off the printer and allow the fuser to cool for about 
10 minutes before opening the cover.
The printer contains four image drums: cyan, magenta, yellow 
and black.
1.Press the cover release and open the printer’s top cover 
fully.
2.Note the positions of the four cartridges.
CAUTION!
 Static sensitive devices, handle with care. 
WARNING!
If the printer has been powered on, the fuser will be hot. 
This area is clearly labelled. Do not touch....

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3.Holding it by its top centre, lift the image drum, complete 
with its toner cartridge, up and out of the printer.
4.Put the cartridge down gently onto a piece of paper to 
prevent toner from marking your furniture and to avoid 
damaging the green drum surface.
5.With the coloured toner release lever (1) to the right, pull 
the lever towards you. This will release the bond between 
the toner cartridge and the image drum cartridge.
CAUTION!
The green image drum surface at...

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6.Lift the right-hand end of the cartridge and then draw the 
cartridge to the right to release the left-hand end as 
shown, and withdraw the toner cartridge out of the image 
drum cartridge. Place the cartridge on a piece of paper to 
avoid marking your furniture.
7.Take the new image drum cartridge out of its packaging 
and place it on the piece of paper where the old cartridge 
was placed. Keep it the same way round as the old unit. 
Pack the old cartridge inside the...

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9.Push the coloured release lever (1) away from you to lock 
the toner cartridge onto the new image drum unit and 
release toner into it.
10.Holding the complete assembly by its top centre, lower it 
into place in the printer, locating the pegs at each end into 
their slots in the sides of the printer cavity.
11.Finally, close the top cover and press down firmly at both 
sides so that the cover latches closed.
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NOTE:
If you need to return or transport your printer for any...