Service manual

ADJUSTMENT
2-128
2 ADJUSTMENT
b. Adjustment
[26] PK Adjusting the punch hole vertical
position
Caution1:
Perform this adjustment after finish-
ing the adjustment for the tilt of the
punch hole position.
Caution2:
Complete the PK adjusting the
punch hole vertical position feeding
the paper from the by-pass tray first.
Then, perform this adjustment feed-
ing paper from the tray that is most
frequently used.
Caution3:
If there is a difference in the punch
hole vertical position, perform the
centering adjustment for the trays of
main body or PI.
1. Tool
• Screwdriver (Phillips)
•Scale
2. Adjustment method
a. Preparation
Step Operation
1
Measure the position of the sampled
punch holes to check the tilt of the posi-
tion.
Tilt of the punch hole position:
A-B (Difference in position of the two
punch holes)/C (Distance of hole pitch)
2
Open the front cover.
3
Loosen the two adjustment screws of
PK.
4
Using the mark scale as a guide, move
the punch unit horizontally by the
amount of tilt for the punch hole position.
1 scale: 0.5%
5
Retighten the screws.
6
Make a sample copy of punch mode and
recheck the tilt of the punch hole posi-
tion.
A
B
C
Mark
Adjustment side
of punch unit
Adjusting in the direction of
right and left
Adjustment screws
Step Operation
1
Check the following items:
• The finisher is connected to the main
body.
• The main body is loaded with the
paper based on the punch specifica-
tions.
2
Check the skew of output paper in
advance.
Slide the side guide plate and the rear
guide plate for the main body's feed tray,
and align the paper loaded on the main
body's tray.
3
Make three copies each in single side
copy mode and double side copy mode
with the punch mode to check the posi-
tion of the holes.