Sensitivity Adjustment For The Pz Paper Edge Sensor (Zk-2 Only) - Minolta Di551 Service Manual

[37] Sensitivity adjustment for the PZ
paper edge sensor (ZK-2 only)
1. Tool
• Screwdriver (Phillips)
• Precision driver (Phillips)
2. Adjustment method
a. Preparation
Step
Check that PZ is connected to the main
1
body.
b. Adjustment
Step
Loosen two screws in the lower part of PZ
rear cover, remove two screws in the upper
part, and then remove the rear cover.
1
Screws
Screws (loosen)
Power on the main body.
2
Operation
Operation
Rear cover
2-145
Step Operation
Using the mark scale as a guide, move the
punch unit vertically to 1/2 the distance of
the above dimension.
PZ control board
(PZCB)
3
LED
Perform the procedure of step 3 for all five
4
volumes.
Power off the main body after completing
5
the adjustment.
Reinstall the rear cover.
6
ADJUSTMENT
Volumes