Oce 3121, Technical & Service Manual

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ed.1 01 Preventive maintenance 3
4 Scheduled Servicing Work Flow
..
Step Adjustments Checks Remarks
1 Consult the operator Enquire about machine perform-
ance.
2 Record the counter read-
ing. Check the copy quality, etc.
3 Make a series of test copies Check the following:
a Image density
b Background (for minimum)
c Characters (for clarity)
d Leading edge margin (see
Note)
e Fusing, registration, back
(minimum soiling)
f Functioning of the counters
Note:
Standards: 2.5 ±1.0
mm
4 Clean the optical system:
■
Reflector for the scan-
ning lamp
■
Lens
■
Mirrors 1, 2 and 3
■
Aperture glass
■
Standard white plate
Use a blower brush. If
the dirt cannot be
removed, use alcohol.
Wipe the standard
white plate, using a
dry cloth.
5 Clean the transfer guide.
■
Transfer guides, upper
and lower
■
Guide rail for the transfer
unit
Remove the OPC.
6 Clean the separation unit
and the refeed unit
■
Static eliminator
■
Feeding belt
7 Clean the fusing and output
unit
■
Fuser entry
■
Lower fusing: separation
claw
8 Check the scheduled parts
for wear and copy produc-
tion.
9 Clean the platen.
10 Make a series of test copies