OKIDATA OF1050, Service Manual

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Page: 161
Service Guide OF1050/2350/2450
Chapter 6 Cleaning and Maintenance
6.2 Preventative Maintenance
Preventative maintenance of the following items should be performed semi-annually after the machine is
installed (or whenever the machine requires service). The description of preventative maintenance is
shown in Table 6.2.1.
Table 6.2.1 Preventative Maintenance
No. Part Name Procedure Reference Item
No.
In Fig. 6.2.1
1 Scan Roller Clean with water. (1)
2 Feed Rollers No. 1 and
No.2 Clean with water. If the surface of these
rollers becomes dirty, the dirt could
cause the transmitted image or the
local copied image to expand vertically.
Perform this cleaning as necessary. (2)
3 Sub Roller Clean with water. (3)
4 Pinch Rollers Clean with ethyl alcohol. (4)
5 ADF Roller Clean with water. If the surface of this
roller becomes dirty, the dirt could
cause misfeeding of documents.
Perform this cleaning as necessary. (5)
6 Contact Image Sensor Check for accumulation of paper dust,
etc. Clean with ethyl alcohol if
necessary. (6)
7 Separation Rubber Clean with water. If this rubber is worn
out, replace it. Otherwise replace once
a year. (7)
8 LED print head Clean the surface of the head by
moving an optical cleaning tissue back
and forth several times. (8)
9 Printer unit Vacuum any toner or dust
accumulation. Clean the inside of the
printer unit by using a cloth dampened
with cold water, if necessary. Dry
completely.