Sharp AR-F11 (serv.man3) Service Manual ▷ View online
2-52
CHAPTER 2 FINISHER UNIT BASIC OPERATION
1.
Inlet Sensor Delay Jam
The inlet sensor does not detect paper when feeding an equivalent of 400 mm from when the host
machine delivery signal has been issued.
Host machine delivery signal
Host machine delivery signal
Jam check
Equivalent of 400 mm
Inlet sensor (PI1)
Normal
Inlet feed motor (M9)
Jam check
Inlet sensor (PI1)
Inlet feed motor (M9)
Jam
Equivalent of 400 mm
Figure 2-257
2.
Inlet Sensor Stationary Jam
The sheet does not move past the inlet sensor when an equivalent of twice the feeding length of
the sheet has been fed after the sensor turned on.
Jam check
Equivalent of size x 2
Inlet sensor (PI1)
Normal
Inlet feed motor (M9)
Jam check
Equivalent of size x 2
Inlet sensor (PI1)
Jam
Inlet feed motor (M9)
Figure 2-258
3.
Buffer Path Paper Sensor Delay Jam
The buffer inlet sensor does not detect paper when an equivalent of 550 mm has been fed after
the inlet sensor turned on.
Jam check
Equivalent of 550 mm
Equivalent of 550 mm
Inlet sensor (PI1)
Buffer path paper
sensor (PI14)
sensor (PI14)
Normal
First feed motor (M1)
Jam check
Inlet sensor (PI1)
Buffer path paper
sensor (PI14)
sensor (PI14)
First feed motor (M1)
Jam
Figure 2-259
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CHAPTER 2 FINISHER UNIT BASIC OPERATION
4.
Buffer Path Paper Sensor Stationary Jam
The sheet does not move past the buffer inlet sensor when an equivalent of twice the feeding
length of the sheet has been fed after the sensor turned on.
Jam check
Equivalent of size x 2
Buffer path paper
sensor (PI14)
sensor (PI14)
Normal
First feed motor (M1)
Jam check
Equivalent of size x 2
Buffer path paper
sensor (PI14)
sensor (PI14)
Jam
First feed motor (M1)
Figure 2-260
5.
Delivery Sensor Delay Jam
a.
Straight Path
The delivery sensor does not detect paper when an equivalent of 476 mm has been fed after the
inlet sensor turned on.
Jam check
Equivalent of 476 mm
Inlet sensor (PI1)
Normal
Delivery sensor (PI3)
First feed motor (M1)
Second feed motor
(M8)
(M8)
Jam check
Inlet sensor (PI1)
Delivery sensor (PI3)
First feed motor (M1)
Second feed motor
(M8)
(M8)
Equivalent of 476 mm
Jam
Figure 2-261
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CHAPTER 2 FINISHER UNIT BASIC OPERATION
b.
Buffer Path
The delivery sensor does not detect paper when an equivalent of 772 mm has been fed after the
inlet sensor turned on.
Jam check
Equivalent of 772 mm
Equivalent of 772 mm
Inlet sensor (PI1)
Normal
Delivery sensor (PI3)
First feed motor (M1)
Second feed motor
(M8)
(M8)
Jam check
Inlet sensor (PI1)
Delivery sensor (PI3)
First feed motor (M1)
Second feed motor
(M8)
(M8)
Jam
Figure 2-262
6.
Delivery Sensor Stationary Jam
The sheet does not move past the delivery sensor when an equivalent of twice the feeding length
of the sheet has been fed after the delivery sensor turned on.
Jam check
Equivalent of size x 2
Equivalent of size x 2
Delivery sensor (PI3)
Normal
Second feed motor
(M8)
(M8)
Delivery motor (M2)
Jam check
Delivery sensor (PI3)
Second feed motor
(M8)
(M8)
Delivery motor (M2)
Jam
Figure 2-263
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CHAPTER 2 FINISHER UNIT BASIC OPERATION
7.
Stapling Tray Sensor Stationary Jam
The sheet does not move past the stapling tray sensor 1 sec after the delivery motor (M2) turned
on.
Jam check
1 sec
1 sec
Stapling tray
sensor (PI4)
sensor (PI4)
Normal
Delivery motor (M2)
Jam check
Stapling tray
sensor (PI4)
sensor (PI4)
Delivery motor (M2)
Jam
Figure 2-264
8.
Timing Jam
The inlet sensor (PI1) detects a sheet before the delivery signal is received from the host machine.
9.
Staple Jam
When the staple motor (M6) is rotating clockwise, the staple home position sensor (PI22) does
not turn on within 0.5 sec. after it has turned off. However, the sensor turns on within 0.5 sec. after the
motor has been rotated counterclockwise.
motor has been rotated counterclockwise.
10. Power-On Jam
One of the inlet sensor (PI1), delivery sensor (PI3), buffer path paper sensor (PI4) or buffer path
inlet paper sensor (PI17) detects paper at power-on.
11. Door Open Jam
One of the joint sensor (PI15), door open sensor (PI16) or door switches (MS1) detects the cover
open during operation (including front door switch (MS2P) when the optional puncher unit is mounted).
12. Punch Jam
The punch home sensor (PI3P) does not turn on again within 200 msec after turning off.
13. Stay Jam Caused By Finisher Start Signal OFF
The finisher start signal is turned OFF in the host machine while paper is being fed in the finisher.
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