AR-F12 (serv.man8). Maintenance, inspection and troubleshooting - Sharp Copying Equipment Service Manual (repair manual). Page 6

Perform the following adjustments when-

ever you have replaced the finisher controller
PCB or the height sensor (PS1).
1) Set SW3 on the finisher controller PCB as

indicated.

ON

1

2

3

4

5

6

7

8

2) Place a paper on the tray.
3) Press SW1 on the finisher controller PCB.

This causes the finisher to execute auto-
matic adjustment, in which the tray unit will
shift.

• 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 mecha-

nism stops while the tray in question is be-
ing adjusted (at the same time, LED1 turns
OFF).

4) Shift all bits on SW3 to OFF, and turn OFF

the host machine once.

If you have replaced the finisher controller

PCB or if an alignment fault occurs, adjust as
follows. Performing the steps will affect all pa-
per sizes.
1) Remove the rear cover of the finisher unit.
2) Set SW3 of the finisher controller PCB as

indicated.

ON

1

2

3

4

5

6

7

8

3) If you are using A4 paper, press SW1 on

the finisher controller PCB. If you are us-
ing LT paper, press SW2 on the finisher
controller PCB.

• Pressing SW1/2 will open the swing guide

and cause the alignment plate to move to
A4/LT positions.

4) Place 10 sheets of A4/LT paper between

the alignment plate and the guide plate, butt-
ing them against the stoppers.

5) Press SW1 or SW2 on the finisher control-

ler 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.