623
JAN 2006
Ver. 5.2
DP-3510/3520/3530/4510/4520/4530/6010/6020/6030
11.1.7. Troubleshooting
11.1.7.1. Adjustments
11.1.7.1.1. Electrical System (finisher unit)
1. Adjusting the Height Sensor (PS1)
Perform the following adjustments whenever you have replaced the Finisher Controller PCB or the
Height Sensor (PS1).
a. Set SW3 on the Finisher Controller PCB as indicated.
Fig. 7-001
b. Make sure that there is no unwanted paper on the Trays.
c. Press SW1 on the Finisher Controller PCB.
This causes the Finisher to execute automatic adjustment, in which the Tray Unit will shift Tray 1,
and Tray 2 in sequence.
• At the end of adjustment, Trays will return to their home positions.
• During adjustment, LED1 flashes. At the end of adjustment, LED1 turns and remains ON.
• If automatic adjustment fails, the mechanism stops while the Tray in question is being adjusted. (At
the same time, LED1 turns OFF.)
d. Shift all bits on SW3 to OFF, and turn OFF the Copier once.
2. Adjusting the Alignment Position
If you have replaced the Finisher Controller PCB or if an alignment fault occurs, adjust as follows.
Performing the steps will affect all paper sizes.
a. Remove the Rear Cover of the Finisher Unit.
b. Set SW3 of the Finisher Controller PCB as indicated.
Fig. 7-002
c. If you are using A4 paper, press SW1 on the Finisher Controller PCB. If you are using LTR paper,
press SW2 on the Finisher Controller PCB.
• Pressing SW1 or 2 will open the Swing Guide and cause the Alignment Plate to move to A4/LTR
positions.
d. Place 10 sheets of A4/LTR paper between the Alignment Plate and the Guide Plate, butting them
against the stoppers.
e. Press SW1 or SW2 on the Finisher Controller PCB, and butt the Alignment Plate against the sheets.
• Pressing SW1 will shift the Alignment Plate to the front in 0.35 mm increments.
• Pressing SW2 will shift the Alignment Plate to the rear in 0.35 mm increments.
1
ON
2
3
4
5
6
7
8
1
ON
2
3
4
5
6
7
8
Summary of Contents for DP-3530
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