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(7) Vertical skew adjustment
This adjustment must be performed in the following cases:
•
When the mirror base drive wire is replaced.
•
When No. 1 mirror base and No. 2 mirror base are replaced.
•
When a copy as shown below is made.
Original
1
Making of the original for adjustment
Make the original for adjustment with A3 or 11" × 17" paper as
shown below.
10mm
Place an A3 or 11" × 17" paper on the original table neatly to the
2
place as shown in figure at right.
With the original cover open, make 90% copy on A3 or 11" × 17"
3
paper.
4
Measure La and Lb as shown below:
L a
Paper
feed
direction
If the lead edge width (La) and the rear edge width (Lb) are the
same, there are no need for adjustment (procedures
5
Loosen the fixing screw of the rear frame side mirror base drive
pulley.
When La > Lb, rotate the rear frame side mirror base drive pulley
in the direction of arrow A. (Do not move the flange and the mirror
base drive pulley shaft.)
When La < Lb, rotate the rear frame side mirror base drive pulley
shaft in the direction of arrow B. (Do not move the flange and the
mirror base drive pulley shaft.)
6
Tighten the fixing screw of the mirror base drive pulley.
∼
7
1
4
Perform procedures
8
5
Perform procedures
and
the adjustment is completed.)
∼
1
7
Repeat procedures
Copy
10mm
10mm
10mm
L b
Solid edge
Lead edge width: La
Rear edge width: Lb
5
8
~
.25P9M
6
if La in not equal to Lb. (If La = Lb,
until La = Lb is obtained.
Glass holding plate
A
).
8 – 12
Original
B
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