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3. Operations of each section
A. Transport drive system
(1) Outline
The transport system transports paper discharged from the copier to
the bin by the transport roller. The transport roller is driven by the
transport motor (M2).
The paper transport status is detected by the paper exit sensor (PS1)
on the sorter controller PWB.
The transport motor is a stepping motor of 4-phase control. The
transport speed is controlled with the number of pulses of pulse sig-
nals A, A*, B, and B* of the motor driver IC (Q23).
(2) Transport speed control
1) Outline
The transport speed is controlled by the transport motor (M2) and the
torque limiter. The transport motor changes the transport speed
depending on the paper size, and it keeps a fixed speed during
transporting without control of the transport speed.
The transport speed of this machine is higher than the process speed
of the copier. When copy paper is at the fusing section of the copier
and the transport roller of this machine at the same time, the transport
roller speed is reduced by the torque limiter.
2) Process speed
The process speed is the speed from when the copy paper is
received from the copier to when it is taken into the sorter completely.
It is the same as the process speed of the copier.
3) Taking in, paper exit speed
This is the transport speed after discharging of the copy from the
fusing section of the copier. It varies depending on the paper size.
Paper size
Transport speed
A4, 8.5"x11"
625mm/sec
A4-R, 8.5"x11"R
675mm/sec
B4, 8.5"x14"
700mm/sec
Fixed paper other than the above
575mm/sec
Unfixed paper
700mm/sec
(3) Stack over
1) Outline
The capacity of bins in each mode is limited as shown below. If the
capacity is exceeded, the stack over error occurs.
Non-sort mode
Max. capacity
A3, B4, 11"x17", 8.5"x13", 8.5"x14", 12"x18"
1st bin: 60 sheets
A4, B5, A5, A4-R, B5-R, 8.5"x11",
8.5"x11"R, 5.5"x8.5", 7.25"x10.25"R
100 sheets
Staple sort mode
Max. capacity
A3, B4, 11"x17", 8.5"x13", 8.5"x14"
25 sheets
A4, B5, A4-R, 8.5"x11", 8.5"x11"R
30 sheets
Sort mode
Max. capacity
A3, B4, 11"x17", 8.5"x13", 8.5"x14"
25 sheets
A4, B5, A5, A4-R, B5-R, 8.5"x11",
8.5"x11"R, 5.5"x8.5"
50 sheets
Group mode
Max. capacity
A3, B4, 11"x17", 8.5"x14", 8.5"x13"
25 sheets
A4, B5, A5, 8.5"x11", 5.5"x8.5", A4R, B5R,
8.5"x11"R
30 sheets
(4) Paper jam
When the sorter detects a jam, it sends the jam signal (SJAM) to the
copier. Then the copier stops copying and displays "Paper feed
check" on the display section.
After completion of removing the jam, press the copy start key again,
and the jam-corrected number of copies are automatically made and
discharged to the bins.
When, on the other hand, a jam occurs in the copier, all the copy
papers under transportation in the sorter are discharged to the
specified bins and the operation is stopped.
Note: When a paper jam is detected in the sorter, separate the sorter
from the copier (the joint sensor is turned OFF), and remove
the jammed paper. Then reset the sorter to the copier, and the
trouble will be canceled.
1) Transport delay jam
The paper exit sensor does not detect the paper in 300msec of
transport time (which varies depending on the copier) after reception
of the paper exit signal from the copier.
M2
PS1
Sorter controller PWB
Transport motor
Transport
motor drive
signal
Paper
detection
signal
Paper exit sensor
Transport roller
Torque limiter
AR-SS2
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