OKI C3520 MFP User Manual

Maintenance > 81
MAINTENANCE
REPLACING CONSUMABLE ITEMS
This section explains how to replace consumable items when due. 
As a guide, the life expectancy of these items is:
>Toner — 1,000 A4 pages at 5% coverage, which means 
that 5% of the addressable print area is printed with this 
colour. Toner life is directly af fected by coverage, e.g. at 
10% coverage there is sufficient toner for 500 pages.
The  MFP  is shipped with sufficient toner for 1,000 A4 
pages.  500 A4 pages worth of  this starter toner...

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CONSUMABLE ORDER DETAILS
C3520/C3530MFP
* 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, black 1,000 A4 @ 5% 43459428
Toner, cyan 1,000 A4 @ 5% 43459427
Toner, magenta 1,000 A4 @ 5% 43459426
Toner, yellow 1,000 A4 @ 5% 43459425
Toner, black, Hi capacity 2,500 A4 @ 5% 43459324
Toner, cyan, Hi capacity 2,000 A4 @ 5% 43459323
Toner, magenta, Hi capacity 2,000 A4 @ 5% 43459322
Toner, yellow, Hi capacity...

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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 install the new one.
Dispose of the old cartridge responsibly by placing it inside the 
pack that the new one came in. Follow any regulations, 
recommendations, etc., which may be in force concerning waste 
recycling.
If you do...

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2.Press the cover release (a) and open the top cover of the 
printer (b) fully.
3. Note the positions of the 4 cartridges.
WARNING!
If the printer has been po wered on, the fuser may be 
hot. This area is clearly labelled. Do not touch it.
a
b
1. Cyan cartridge 2. Magenta cartridge
3. Yellow cartridge 4. Black cartridge
1
2
3
4
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4.Carry out one of the following:
(a)If you are replacing a tone r cartridge that has been 
supplied with your printer (release lever has 3 
positions), pull the coloured toner release lever on 
the cartridge to be replaced towards the front of the 
printer, in the direction of the arrow, but stop at the 
central (upright) position.
(b) If you are replacing any other toner cartridge (lever 
has 2 positions), pull the coloured toner release 
lever (1) on the cartridge to be replaced...

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6.Put the cartridge down gently on to a piece of paper to 
contain any toner spillage.
7. Remove the new cartridge fr om its box but leave its 
wrapping material in place for the moment.
8. Gently shake the new 
cartridge from end to end 
several times to loosen 
and distribute the toner 
evenly inside the 
cartridge.
9. Remove the wrapping 
material and peel off the 
adhesive tape from the 
underside of the 
cartridge.
10. Holding the cartridge by its top centre with the coloured...

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11.Insert the left end of the cartridge into the top of the 
image drum unit first, pushing it against the spring on the 
drum unit, then lower the right end of the cartridge onto 
the image drum unit.
12. 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.
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13.Close the printer top cover and press down firmly so that 
the cover latches closed.
14. Gently  lower the scanner on to its supports.
IMAGE DRUM REPLACEMENT
There is no need to switch the MFP off when changing image 
drum(s).
1.Lift the scanner.
2. Press the cover release (a) and open the top cover of the 
printer (b).
WARNING!
If the printer has been powe red on, the fuser will be 
hot. This area is clearly labelled. Do not touch.

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3.Note the positions of the 4 cartridges/Image drums.
4. Holding it by its top centre, lift the image drum, complete 
with its toner cartridge (1), up and out of the printer.
5. Put the old unit down gently onto a piece of paper to 
contain any toner spillage.
6. Take the new image drum unit, complete with toner 
cartridge (assembled according to the installation guide) 
1
2
3
4
1.Cyan cartridge 2.Magenta cartridge
3. Yellow cartridge 4.Black cartridge
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and place it on the piece of paper alongside the old ID 
unit. 
7. Remove the protective sheets from the image drum unit. 
Keep it the same way round as the old unit. Pack the old 
ID unit inside the packaging material for disposal.
CAUTION!
The green image drum surface at the base of the 
cartridge is very delicate  and light sensitive. Do not 
touch it and do not expose it  to normal room light for 
more than 5 minutes. If the drum unit needs to be out 
of the printer for longer th an...