Sharp AR-F11 (serv.man3) Service Manual ▷ View online
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 delivered
without being shifted. Whether the first copy or the last copy of a sort job should be shifted is deter-
mined by the host machine.
without being shifted. Whether the first copy or the last copy of a sort job should be shifted is deter-
mined 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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CHAPTER 2 FINISHER UNIT BASIC OPERATION
c.
Stapling
The finisher stacks copies arriving from its host machine on the stapling tray. Then, it staples and
delivers the copies to the appropriate tray.
Tray
Copies
Staple
Staple
Swing guide
Delivery roller
Stapling
tray
tray
Stopper
Feed roller 1
Figure 2-207
Front diagonal stapling
Rear diagonal stapling
2-point stapling
Paper width/2
Rear 1-point stapling
Figure 2-208
2-14
CHAPTER 2 FINISHER UNIT BASIC OPERATION
2.
Saddle Stitch Delivery (Saddle Finisher)
A copy arriving in the finisher from the host machine is routed to the saddle stitch by the paper
deflecting plate. The saddle stitch executes stitching and saddling operations on the copy and then
delivers it to the saddle stitch tray.
delivers it to the saddle stitch tray.
For discussions of stacks in the saddle stitch, see Chapter 3.
To saddle stitch
Figure 2-209
2-15
CHAPTER 2 FINISHER UNIT BASIC OPERATION
B.
Type of Delivery Paths
The finisher has three different paper paths for delivery, each selected to suit paper size and
delivery mode.
1.
Straight Path
When stacking copies shown in Table 2-201, the copies pass under the buffer roller.
Copy size
Length or width 182 mm or less
Typical copy examples
A5-R, ST-R, thick paper
Table 2-201
Delivery roller
Buffer roller
Figure 2-210
2.
Buffer Paper Path 1
When stacking copies shown in Table 2-202, the copies pass over the buffer roller, increasing the
distance between copies.
Copy size
Length and width 182 mm or more
Typical copy examples
A3, B4, A4, A4-R, B5, B5-R, LD, LG, LT, LT-R, (excluding
transparencies and thick stock)
Table 2-202
Buffer roller
Feed roller 2
Delivery roller
Figure 2-211
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