Sharp AR-PN4 (serv.man2) Service Manual ▷ View online
2-9
CHAPTER 2 FINISHER UNIT BASIC OPERATION
6.
Outputs from the Finisher Controller PCB
Stapler shift motor
Staple motor
Tray 1 lift motor
Tray 2 lift motor
Swing motor
Second feed motor
Inlet feed motor
Finisher controller PCB
According to rotation
direction/speed, changes
between + and - in sequence.
direction/speed, changes
between + and - in sequence.
According to rotation
direction/speed, changes
between + and -.
direction/speed, changes
between + and -.
According to rotation
direction/speed, changes
between + and -.
direction/speed, changes
between + and -.
According to rotation
direction/speed, changes
between + and -.
direction/speed, changes
between + and -.
According to rotation
direction/speed, changes
between + and -.
direction/speed, changes
between + and -.
According to rotation
direction/speed, changes
between + and - in sequence.
direction/speed, changes
between + and - in sequence.
According to rotation
direction/speed, changes
between + and -.
direction/speed, changes
between + and -.
J115-1
-2
-1
-2
Figure 2-108
2-10
CHAPTER 2 FINISHER UNIT BASIC OPERATION
II. FEED/DRIVE SYSTEM
A.
Outline
The finisher is designed to operate according to the commands from its host machine to deliver
arriving copies to trays in the appropriate mode: simple stacking, job offset, stapling.
See Figure 2-201 for a diagram of the three modes of delivery (four for the Saddle Finisher).
Method of delivery
Normal
delivery
delivery
Simple stacking
Job offset
Staple
Front diagonal
Rear 1-point
Rear diagonal
2-point
Saddle stitch delivery (Saddle Finisher only)
Figure 2-201
Normal delivery tray
Normal delivery tray
To saddle stitch unit
(Saddle Finisher)
(Saddle Finisher)
Figure 2-202
2-11
CHAPTER 2 FINISHER UNIT BASIC OPERATION
1.
Normal Delivery
a.
Simple Stacking
The finisher delivers copies directly to the tray.
Tray
Tray
Copies
Copies
Delivery roller
Feed roller 2
Feed roller 1
Figure 2-203
2-12
CHAPTER 2 FINISHER UNIT BASIC OPERATION
b.
Job Offset
The finisher forwards all copies of each sort job to the stapling tray. The first sort job on the
stapling tray is delivered with a shift to the front of about 30 mm, and the second sort job is deliv-
ered without being shifted. Whether the first copy or the last copy of a sort job should be shifted is
determined by the host machine.
ered without being shifted. Whether the first copy or the last copy of a sort job should be shifted is
determined by the host machine.
Tray
Each sort job is stacked
alternately.
alternately.
Figure 2-204
Swing guide
Stapling tray
Delivery roller
Stopper
Feed roller 1
Figure 2-205
Results of Delivering 4 Sets
Direction of delivery
Copies handled
by job offset
by job offset
Figure 2-206
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