631
JAN 2006
Ver. 5.2
DP-3510/3520/3530/4510/4520/4530/6010/6020/6030
11.1.7.1.2. Electrical System (Saddle Stitch Unit)
1. Adjusting the Folding Position
The folding position is adjusted by changing the settings of bits 6 through 8 of DIPSW1 on the Saddle
Stitch Controller PCB to match the stitching position (i.e., adjusting the distance over which the Paper
Positioning Plate is moved to the folding position from the stitching position.)
If you have replaced the Saddle Stitch Controller PCB, be sure to set the new DIPSW1 so that the
settings will be the same as those on the old DIPSW1. If, for any reason, you must change the
following position, perform the following steps:
a. Remove the PCB cover, and set bits 1 through 4 of DIPSW1 on the Saddle Stitch Controller PCB as
indicated.
Fig. 7-019
b. Remove the Rear Cover of the Saddle Stitch Unit, and tape the actuator of the Inlet Cover Open
Sensor (PI9S) and the Inlet Cover Open Detection Switch (MS1S) of the Saddle Stitch Unit in place.
c. Press SW2 on the Saddle Stitch Controller PCB so that the Feed Motor (M1S) starts to rotate.
d. Open the Inlet Cover, and insert two sheets of A3 or LDR paper. (Push them in by hand until the
leading edge of the sheets butts against the Paper Positioning Plate.)
Fig. 7-020
1
ON
2 3 4 5 6 7 8
Do not change bits 5 through 8.
Ledger / A3 Paper
Insert direction
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