Oki OKIOFFICE 84 Service Manual page 247

Preventative Maintenance (Table 6.2.1)
No. Part name
1 Roller-scan
2 Roller-ADF
3 Contact Image Sensor
4 Separation Rubber
5 LED print head
6 Printer unit
7 Lubrication
8 Cleaning
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Service Guide OKIOFFICE 84
Chapter 6 Cleaning and Maintenance
Maintenance Procedure
Clean with water.
Clean with water.
If the surface of this roller becomes dirty and the dirt
causes misfeeding of documents, perform this
cleaning.
Check for accumulation of paper dust, etc. Clean
with ethyl alcohol if necessary.
Clean with water. If this rubber is worn out, replace
it. (once a year)
Clean the surface of the head by moving the tissue
paper back and forth several times.
Clean the inside of the printer unit by using a cloth
moisturized with cold water.
Apply silicone oil to the following parts:
a. Gears (once a year)
Remove materials that have fallen from outside, if
any.
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Reference Item No.
in Fig.6.2.1
(1)
(2)
(3)
(4)
(5)