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C. Job Offset
(1) Outline
"Job offset" refers to the operation by which the machine delivers a
set of sheets with them pulled forward or backward for sorting.
Switching between the forward and backward directions is made
using an aligning plate (front) and an aligning plate (rear).
The sheet coming between the delivery rollers is fed onto the pro-
cessing tray and then fed toward the stopper by the paddle.
A swing guide is at the up position while a sheet is being pulled
onto the processing tray or during alignment. It is at the down posi-
tion during stack feeding, stack delivery, or stapling.
At power-on, the finisher controller PCB drives the aligning motor
(front) (FFJM) and the aligning motor (rear) (FRJM) to return the
two aligning plates to their home positions.
Sensor
Aligning home position sensor (front)
Aligning home position sensor (rear)
Stack roller home position sensor
Paddle home position sensor
Function
Drives the aligning plate (front)
Drives the aligning plate (rear)
Drives the swing guide drive
Drives the paddle (feeds paper)
Aligning plate
(rear)
Alignment motor (front)
(FFJM)
Aligning plate
(front)
Light-shielding plate
(Front)
Aligning home position sensor (front)
(FFJHPD)
(2) Processing Tray Paper Stacking Operation
A sheet coming between the delivery rollers is fed onto the pro-
cessing tray. Then, the paddle taps on the sheet surface to locate
the sheet against the processing tray stopper.
Paper
Aligning plate
Delivery belt
Symbol
Connector
FFJHPD
CN4-3
FRJHPD
CN5-15
FARHPD
CN9-9
FPDHPD
CN9-3
Motor
Symbol
Aligning motor (front)
FFJM
Aligning motor (rear)
FRJM
Paddle motor
FPM
Paddle motor
FPM
Aligning home position sensor (rear)
(FRJHPD)
Light-shielding plate
Alignment
motor (rear)
(FRJM)
Paper
Paddle
Stack delivery roller (upper)
Swing guide
Processing tray stopper
Stack delivery roller (lower)
MX-FNX2/AR-PN1/MX-RBX1 OPERATIONAL DESCRIPTION 5 – 6
(3) Offset Operation
Each sheet is pulled forward or backward using the aligning plate
(front) and the aligning plate (rear).
The offset operation is performed each time a sheet is pulled onto
the processing tray.
Offsetting in the forward direction
Tray
Offsetting in the backward direction
Tray
(4) Stack Delivery Operation
Stack delivery takes place when 1 sheet of large-size paper or 25
sheets of small-size paper have been stacked on the processing
tray with them offset in either direction.
The paddle motor (FPM) rotates and the swing guide descends to
hold the paper stack between the upper and lower stack delivery
rollers. The stack delivery motor (FAM) rotates in the forward direc-
tion to rotate the delivery rollers, feeding the paper stack in the
delivery direction. The delivery belt home position sensor is turned
OFF. The delivery motor is driven a specified number of pulses,
causing the swing guide to ascend. Next, the paper delivery motor
is driven. Next, the delivery motor is driven to deliver the paper
stack with the nails of the delivery belt that rotates in sync with the
stack delivery rollers.
Aligning plate (rear)
Sheet to be offset
Aligning plate (front)
Aligning plate (rear)
Sheet to be offset
Aligning plate (front)
Swing guide
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