Oki OKIFAX 5750 Service Manual page 239

Figure 2.5.4 Toner Cartridge Installation (4)
l
Push the gray lever forward until it stops.
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Clean the toner scattered in the vicinity of the toner cartridge using a cloth moistened with cold
water. Do not use hot water since it makes the toner stick there.
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Close the cover assembly-top until the buttons have been locked completely.
3
Recording paper
Note:
About 250 sheets of the new paper can be set in the recording paper cassette.