Pk Adjusting The Punch Hole Vertical Position (Pk-2 Only) - Minolta Di551 Service Manual

[28] PK Adjusting the punch hole vertical
position (PK-2 only)
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
Check the following items:
• The finisher is connected to the main
body.
1
• The main body is loaded with the paper
based on the punch specifications.
Check the skew of output paper in
advance.
Slide the side guide plate and the rear
2
guide plate for the main body's feed tray,
and align the paper loaded on the main
body's tray.
Make three copies each in single side copy
mode and double side copy mode with the
3
punch mode to check the position of the
holes.
Operation
2-135
b. Adjustment
Step Operation
Fold the sample at the middle of the paper,
check the position of each punch hole, and
calculate the dimension to be adjusted.
1
Specified limit: (A-B (Error of position of the
two punch holes))/2
Reference: For adjustment of the punch
hole vertical position, the
dimension of the punch hole
vertical position can be
adjusted by ±5mm.
Adjusting the hole pitch is not
allowed.
Open the front cover.
2
Loosen the two adjustment screws for PK.
3
Using the mark scale as a guide, move the
punch unit vertically to 1/2 the distance of
the above dimension.
Adjust
horizontally
4
Adjustment screws
Retighten the screws.
5
Make a sample copy of punch mode and
recheck the discrepancy of the punch hole
6
vertical position.
ADJUSTMENT
A
B
Mark