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2
If the parallelism of the mirror base B is improper as shown in the
figure below (one side of the mirror base B is in contact with the
positioning plate and the other side is not in contact), perform the
following procedure.
3
Loosen the mirror base drive pulley fixing screw on the side where
the mirror base B is not in contact with the positioning plate.
4
Manually rotate the mirror base drive pulley on the side where the
mirror base B is not in contact with the positioning plate to bring
the mirror base B into contact with the positioning plate.
5
Tighten the mirror base drive pulley fixing screw.
6
Manually rotate the mirror base drive pulley to separate the mirror
base B from the mirror base positioning plate once, then bring it
into contact with the positioning plate.
Check that the front side and the rear side of the mirror base B
make contact with the positioning plate simultaneously.
7
6
If the condition of
is not satisfied, repeat procedures
6
through
until the condition is satisfied.
3
3
6 – 10
4) Copy lamp unit installation (Mirror base A
positioning)
This adjustment must be performed in the following cases:
•
When the mirror base drive wire is replaced.
•
When the mirror base A or B is replaced.
•
When any part in the dark box is replaced.
When installing the mirror base, reverse the removal procedure of
(2)-A.
1
Put the mirror base A in the copier. Pass the mirror base drive
wires in the front frame side and the rear frame side through the
clearance between the mirror base A and the mirror base wire
fixing plate. Do not tighten the mirror base A wire fixing screw at
that time.
2
Bring the mirror base B into contact with the positioning plate, put
a flat jig (such as a scale edge) onto the right surface of the optical
base plate (paper feed side), press the projection of the copy lamp
unit onto the jig and fix it with two screws.
(Note) When tightening the copy lamp unit fixing screws, be sure to
press the projection onto the scale.
Horizontal scales
Projections
5) No. 4/5 mirror unit (mirror base C) replacement
A. No. 4/5 mirror removal
1
Remove the OR guide L and R, the remove the table glass.
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