Konica Minolta FS-109 User Manual
SERVICE MANUAL
Model
FS-109
NOVEMBER 2000
CSM-FS109
KONICA BUSINESS TECHNOLOGIES, INC.
FS-109
SERVICE MANUAL
NOVEMBER 2000
Used on Konica Model
7045
IMPORTANT NOTICE
Because of the possible hazards to an inexperienced
person servicing this equipment, as well as the risk of
damage to the equipment, Konica Business Technologies strongly recommends that all servicing be performed by Konica-trained service technicians only.
Changes may have been made to this equipment to
improve its performance after this service manual was
printed. Accordingly, Konica Business Technologies,
Inc., makes no representations or warranties, either
expressed or implied, that the information contained in
this service manual is complete or accurate. It is understood that the user of this manual must assume all risks
or personal injury and/or damage to the equipment while
servicing the equipment for which this service manual
is intended.
Corporate Publications Department
© 2000, KONICA BUSINESS TECHNOLOGIES, INC.
All rights reserved.
Printed in U.S.A.
CONTENTS
OUTLINE
FS-109 PRODUCT SPECIFICATIONS ............................1
CENTER CROSS-SECTIONAL VIEW ............................. 3
DRIVE SYSTEM DIAGRAM ............................................. 4
Paper Conveyance System Drive .............................4
Stapler Unit System Drive......................................... 4
UNIT EXPLANATION
EXTERNAL SECTION......................................................5
Composition ..............................................................5
CONVEYANCE SECTION ...............................................6
Composition ..............................................................6
Mechanisms .............................................................. 6
Conveyance Motor (M801) Control...........................9
Conveyance Drum (M807) Control .........................10
Tray Up/Down (M804) Control ................................ 11
PAPER EXIT/STAPLER UNIT SECTION....................... 13
Composition ............................................................13
Mechanisms ............................................................ 13
Paper Alignment Control.........................................15
Paper Exit (M805) Control ......................................16
Paper Stacking Control ........................................... 17
Stapler Movement (M806) Control..........................18
Stapler Control ........................................................18
OTHER CONTROL FUNCTIONS ..................................20
Power-on Operation................................................20
CONTENTS
DISASSEMBLY/ASSEMBLY
DISASSEMBLY AND REASSEMBLY ............................21
Replacing the Tray 2/3 Paper Exit Roller Unit ........ 21
Raising and Lowering the Tray ...............................21
Removing and Reinstalling Tray 2/3 ....................... 22
Removing and Reinstalling the External Covers ....22
Removing and Reinstalling the Lift Wire................. 23
Replacing the Stapler Cartridge..............................25
Removing and Reinstalling the Stapler Unit ........... 25
DIAGRAMS
ELECTRICAL PARTS LAYOUT .....................................27
CONNECTOR LAYOUT ................................................. 28
TIMING CHARTS ........................................................... 29
OVERALL WIRING DIAGRAM....................................... 31
iii
CONTENTS
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iv
SAFETY PRECAUTIONS
SAFETY PRECAUTIONS
Installation Environment
Safety considerations usually are directed toward
machine design and the possibility of human error. In
addition, the environment in which a machine is operated must not be overlooked as a potential safety
hazard.
Most electrical equipment is safe when installed in a
normal environment. However, if the environment is
different from what most people consider to be normal, it is conceivable that the combination of the
machine and the room air could present a hazardous
combination. This is because heat (such as from
fusing units) and electrical arcs (which can occur
inside switches) have the ability to ignite flammable
substances, including air.
When installing a machine, check to see if there
is anything nearby which suggests that a potential hazard might exist. For example, a laboratory
might use organic compounds which, when they
evaporate, make the room air volatile. Potentially dangerous conditions might be seen or smelled. The
presence of substances such as cleaners, paint thinners, gasoline, alcohol, solvents, explosives, or similar items should be cause for concern.
If conditions such as these exist, take appropriate
action, such as one of the following suggestions.
effect may be caused by altering any aspect of the
machine’s design. Such changes have the potential
of degrading product performance and reducing
safety margins.
For these reasons, installation of any modification not
specifically authorized by Konica Business Machines
U.S.A., Inc., is strictly prohibited.
The following list of prohibited actions is not all-inclusive, but demonstrates the intent of this policy.
• Using an extension cord or any unauthorized
power cord adapter.
• Installing any fuse whose rating and physical size
differs from that originally installed.
• Using wire, paper clips, solder, etc., to replace or
eliminate any fuse (including temperature fuses).
• Removing (except for replacement) any air filter.
• Defeating the operation of relays by any means
(such as wedging paper between contacts).
• Causing the machine to operate in a fashion other
than as it was designed.
• Making any change which might have a chance
of defeating built-in safety features.
• Using any unspecified replacement parts.
• Determine that the environment is controlled
(such as through the use of an exhaust hood) so
that an offending substance or its fumes cannot
reach the machine.
• Remove the offending substance.
• Install the machine in a different location.
The specific remedy will vary from site to site, but the
principles remain the same. To avoid the risk of injury
or damage, be alert for changes in the environment
when performing subsequent service on any machine, and take appropriate action.
Unauthorized Modifications
Konica copiers have gained a reputation for being
reliable products. This has been attained by a combination of outstanding design and a knowledgeable
service force.
The design of the copier is extremely important. It is
the design process that determines tolerances and
safety margins for mechanical, electrical, and electronic aspects. It is not reasonable to expect individuals not involved in product engineering to know what
General Safety Guidelines
This copier has been examined in accordance with
the laws pertaining to various product safety regulations prior to leaving the manufacturing facility to
protect the operators and service personnel from
injury. However, as with any operating device, components will break down through the wear-and-tear of
everyday use, as will additional safety discrepancies
be discovered. For this reason, it is important that the
technician periodically performs safety checks on the
copier to maintain optimum reliability and safety.
The following checks, not all-inclusive, should be
made during each service call:
CAUTION: Avoid injury. Ensure that the copier is
disconnected from its power source before continuing.
• Look for sharp edges, burrs, and damage on all
external covers and copier frame.
• Inspect all cover hinges for wear (loose or broken).
• Inspect cables for wear, frays, or pinched areas.
v
SAFETY PRECAUTIONS
• Ensure that the power cord insulation is not damaged (no exposed electrical conductors).
• Ensure that the power cord is properly mounted
to the frame by cord clamps.
• Check the continuity from the round lug (GND) of
the power cord to the frame of the copier -- ensure
continuity. An improperly grounded machine can
cause an electrically-charged machine frame.
Safeguards During Service Calls
Confirm that all screws, parts, and wiring which are
removed during maintenance are installed in their
original positions.
• When disconnecting connectors, do not pull the
wiring, particularly on AC line wiring and high
voltage parts.
• Do not route the power cord where it is likely to
be stepped on or crushed.
• Carefully remove all toner and dirt adhering to any
electrical units or electrodes.
• After part replacement or repair work, route the
wiring in such a way that it does not contact any
burrs or sharp edges.
• Do not make any adjustments outside of the
specified range.
Applying Isopropyl Alcohol
Care should be exercised when using isopropyl alcohol, due to its flammability. When using alcohol to
clean parts, observe the following precautions:
• Remove power from the equipment.
• Use alcohol in small quantities to avoid spillage
or puddling. Any spillage should be cleaned up
with rags and disposed of properly.
• Be sure that there is adequate ventilation.
• Allow a surface which has been in contact with
alcohol to dry for a few minutes to ensure that the
alcohol has evaporated completely before applying power or installing covers.
Summary
It is the responsibility of every technician to use professional skills when servicing Konica products. There
are no short cuts to high-quality service. Each copier
must be thoroughly inspected with respect to safety
considerations as part of every routine service call.
The operability of the copier, and more importantly,
the safety of those who operate or service the copier,
are directly dependent upon the conscientious effort
of each and every technician.
Remember...when performing service calls, use good
judgement (have a watchful eye) to identify safety
hazards or potential safety hazards that may be present, and correct these problem areas as they are
identified -- the safety of those who operate the copier
as well as those who service the copier depend on it!
vi
FS-109 PRODUCT SPECIFICATIONS
FS-109
Type
Type: Natural inverting type, Multi-
tray finisher
Functions
Kinds of
copy paper: Same as main body
Copy Paper
size: 8.5 x 11, 8.5 x 11R/11 x 17R /
8.5 x 14R
Modes
Mode
Through mode
Offset mode
Staple mode
Sheet capacity
Tray
Through mode
Tray 1
Through mode
Tray 2,
Offset mode
Tray 3
Staple mode
: Available ✕ : Not availab le
Tray
Tray 1
Mode
●
✕
✕
Small sizes
100
300
–
25 sets (Note)
Middle sizes Large sizes
100
700
700
Tray 2
●
●
●
100
300
300
Tray 3
●
●
●
Special paper
10
–
–
–
Paper weight
Tray 1: 13 - 53 lb.
Tray 2/3: 16 - 35 lb.
Copy paper
curling: 10 mm maximum
Curling
Copy paper (5 sheets)
Offset amount: 30 mm (offset/group mode)
Stapler Kit
No. of
copies
stapled : 50 maximum (22 lb. fine quality
paper, thickness 5 mm max)
Staple
position: A = 8 mm (±3 mm adjustable)
B = 10 mm (±3 mm adjustable)
C = 90 mm (±4 mm adjustable)
Stapler
capacity: 5000 staples/cartridge
Note1: The above numbers apply for same-size
paper (22 lb., standard paper) stacked
continuously.
Note2: Small sizes: 5.5 x 8.5R
Middle sizes: 8.5 x 11, 8.5 x 11R
Large sizes: 11 x 17R, 8.5 x 14R
Special paper: Other than standard paper
(thin paper, thick paper,
blueprint master
OHP film etc.)
Note3: The maximum capacity (500 or 300
sheets) should not be exceeded.
1
FS-109
Particulars of Machine
Power
source:
Max. power
consumption: 100 VA
Weight: Approximately 81 lb. (with pedestal)
Machine
dimensions: Width 10.4 in.
24 V DC / 5 V (supplied from main body)
Depth 23.6 in.
Height 24.5 in.
Maintenance and Life
Maintenance: Same as the main body
Operating Environment
Temperature: 50°F to 86°F
Humidity: 10% to 80% RH
Note: The contents of this manual may be changed
without prior notice.
2
CENTER CROSS-SECTIONAL VIEW
Paper exit roller
Tray 1
FS-109
Tray 2
Tray 3
Conveyance rollers
Switching gate
Conveyance drum
Paper exit roller (A)
Stapler unit
Exit lever
Paper exit roller (A)
3
FS-109
DRIVE SYSTEM DIAGRAM
Paper Conveyance System Drive
Conveyance rollers
Tray 2 motor (M810)
Tray 3 motor (M811)
Lift wire (rear)
Paper exit roller (A)
Paper exit roller (A)
Paper exit roller
Conveyance
drum drive motor (M807)
Timing belt
Conveyance motor (M801)
Conveyance drum
Tray up/down motor (M804)
Lift wire (front)
Stapler Unit System Drive
Alignment motor
(rear)(M808)
Alignment plate
(rear)
Alignment plate
(front)
Alignment motor
(front)(M809)
Stapler unit (rear)
Stapler unit (front)
Exit lever
Stapler movement
motor (M806)
Paper exit motor (M805)
4
EXTERNAL SECTION
Composition
FS-109
Tray 1
Release lever
Tray 2
Tray 3
Front cover
Top cover
Upper rear cover
Rear cover
5
FS-109
CONVEYANCE SECTION
Composition
Gate SD
Lift wire
Mechanisms
Mechanisms Methods
Paper path switching *1
Paper conveyance *2
Tray lift (up/down) *3
Conveyance motor
Switching gate
Conveyance roller
Conveyance drum
Wire drive (Lift wire)
Switching gate
Conveyance
drum motor
Conveyance
drum
Tray up/down
motor
Conveyance
drum
Lift wire
Switching gate
*1: Paper path switching
The paper exited from the fixing unit in the main body
passes through the switching gate which sends it to
tray 1 or tray 2/3. The switching gate is operated by
the on/off state of the gate SD (SD801).
Gate SD
6
FS-109
*2: Paper Conveyance
When the paper has been switched to tray 2/3 by the
switching gate, the conveyance roller conveys it to
the conveyance drum until it enters the grip plate on
the circumference of the drum.
Switching
Conveyance
rollers
Grip plate
Spring
gate
Paper
Cam
Conveyance
drum
When the rotation speed of the drum increases, the
paper is pushed out and separated from the
conveyance drum. When the grip plate on the
conveyance drum reaches the paper exit position,
the paper hits a stopper and is separated from the
grip plate.
Paper
Conveyance
drum
Stopper
The grip plate closes due to the force of a cam and
spring arrangement and grasps the paper.
Grip plate
Spring
Conveyance drum
Paper
Cam
Grip plate
Behind the grip plate on the drum circumference,
there are two alignment plates. When these reach
the paper exit position, their own weight causes them
to open, and the rubber section at the plate tip aligns
the paper against the stopper.
Alignment plates
Conveyance
drum
Paper
Grip plate
Stopper
7
FS-109
The grip plate and alignment plates on the
conveyance drum do not use electrical control, they
operate only through the rotation of the drum. (The
grip plate is driven by the drum via a cam
arrangement, and the alignment plates are driven by
the centrifugal force and their own weight.)
The conveyance drum and conveyance rollers are
controlled electrically by conveyance drum motor
(M807) and conveyance motor (M801).
*3: Tray lift
The paper exit position for the paper sent to tray 2/3
is fixed. Switching between tray 2 and tray 3 is
carried out by changing the tray position with the tray
lift (up/down) mechanism.
The tray lift mechanism is driven by the tray up/down
motor (M804) whose driving force is transmitted to the
tray by a wire arrangement.
Lift wire
Tray 2
Tray up/down motor
Tray 3
8
FS-109
Conveyance Motor (M801) Control
24V
SD801 DRV
VCC
PS803IN
GND
24V
24V
M801 DRVA
M801 DRVA
M801 DRVB
SGND
SGND
PGND
PGND
PGND
M TxD
M REQ
M ACK
MAIN BODY
5V
5V
24V
24V
24V
S ACK
M RxD
S REQ
FNSCB
M801 DRVB
VCC
PS802IN
GND
24VOUT
24VIN
SD801
PS803
M801
PS802
MS801
2. Signals
a. Input signals
(1) PS802IN (PS802 to FNSCB)
Paper detection signal at the paper exit section
entrance of the tray 2 and tray 3 side.
[L]: Paper is not detected
[H]: Paper is detected
(2) PS803IN (PS803 to FNSCB)
Paper detection signal at the paper exit section
entrance of the tray 1.
[L]: Paper is not detected
[H]: Paper is detected
(3) 24VIN (MS801 to FNSCB)
Power supply line for various loads. When finisher is
in mechanical contact with main body, 24 V DC is
supplied to finisher.
(4) M TxD (MAIN BODY to FNSCB)
Serial data line for transmitting operation status
information from control board in main body to
finisher.
(5) M REQ (MAIN BODY to FNSCB)
Send request signal from main body to finisher.
(6) M ACK (MAIN BODY to FNSCB)
Send enable signal from main body to finisher.
Paper exit conveyance takes place as a result of the
transmission of the drive force of motor M801
(conveyance) to the paper exit rollers and conveyance
rollers. The paper conveyance path is switched between
tray 1 or tray 2/3 by solenoid SD801 (gate).
M801 and SD801 are controlled by the FNSCB (FNS
control board).
1. Operation
a. Gate switching operation
Normally, SD801 is OFF and the gate allows paper to
exite to tray 2/3. When tray 1 is selected as the paper
exit tray, SD801 goes ON, the gate is switched, and
the paper is conveyed to tray 1.
b. Conveyance operation
M801 is turned ON and OFF in conjunction with the
copy operation of the main body. During operation of
the main body, the M801 rotates constantly, enabling
paper conveyance at any time.
When paper has been conveyed to tray 2/3, the
status of the PS802 (drum entrance) and main body
PS1 (paper exit) causes the M801 to be switched
from low speed to high speed. The high-speed
activation signal and the rotation speed depend on
the paper size.
b. Output signals
(1) M801 DRV A, A, B, B (FNSCB to M801)
M801 ON/OFF drive signal
24V
0V
(2) SD801 DRV (FNSCB to SD801)
SD801 ON/OFF drive signal
[L]: SD801 ON
[H]: SD801 OFF
(3) M RxD (FNSCB to MAIN BODY)
Serial data line for transmitting operation status information
from finisher to main body CB (control board).
(4) S REQ (FNSCB to MAIN BODY)
Send request signal from finisher to main body.
(5) S ACK (FNSCB to MAIN BODY)
Send enable signal from finisher to main body.
9
FS-109
Conveyance Drum (M807) Control
VCC
PS801IN
GND
VCC
PS802IN
GND
24V
24V
M807 DRVA
M807 DRVA
M807 DRVB
SGND
SGND
5V
5V
PGND
PGND
PGND
24V
24V
24V
M TxD
M REQ
M ACK
S ACK
M RxD
S REQ
M807 DRVB
PS801
PS802
M807
2. Signals
a. Input signal
(1) PS801IN (PS801 to FNSCB)
Encoder slit detection signal
[L]: Slit is not detected
[H]: Slit is detected
b. Output signal
(1) M807 DRV A, A, B, B (FNSCB to M807)
M807 ON/OFF drive signal
24V
0V
MAIN BODY
FNSCB
The paper that has been sent to tray 2/3 is exited into the
respective tray by the conveyance drum. The conveyance
drum is driven by M807 (conveyance drum) which is
controlled by the FNSCB (FNS control board).
1. Operation
a. Conveyance operation
When PS802 (drum entrance) detects the leading
edge of the paper and goes ON, M807 is turned ON
after the specified time, and the conveyance drum
starts to rotate.
To convey one sheet of paper, the M807 is switched
through a predetermined sequence of three speeds.
When the conveyance drum reaches the standby
position, the motor is switched OFF.
During this time, the drum makes one revolution
which includes gripping, conveying, and releasing
the paper.
b. M807 speed control
When the conveyance drum rotation pulses reach a
predetermined number, the rotation speed is
changed.
10
FS-109
Tray Up/Down (M804) Control
24VOUT
MS802
MS803
24VIN
M804 DRV 1
SGND
SGND
PGND
PGND
PGND
M TxD
M REQ
M ACK
MAIN BODY
5V
5V
24V
24V
24V
S ACK
M RxD
S REQ
FNSCB
M804 DRV 2
VCC
PS805IN
GND
VCC
PS806IN
GND
The paper exit position of the conveyance drum is always
fixed, and tray switching is carried out by raising or
lowering tray 2/3.
The up/down motion is achieved by transmitting the
driving force of motor M804 (tray up/down) to the lift wires
connected to each tray. This operation is controlled by the
FNSCB (FNS control board).
M804
PS805
PS806
1. Operation
Normally, the paper exit position of the conveyance
drum is aligned with tray 2. Therefore no lift operation
is carried out when tray 2 is selected.
a. Upward movement
When tray 3 is selected as paper exit tray and PS806
(traylower limit) is ON, M804 (tray up/down) goes ON
(forward rotation). Tray 2 and tray 3 are then raised
simultaneously.
When the upward movement causes tray 2 to switch
PS805 (tray upper limit) to ON, M804 goes OFF and
the upward movement stops. Tray 3 is now aligned
with the paper exit position of the conveyance drum.
b. Downward movement
When tray 2 is selected as paper exit tray and PS805
is ON, M804 goes ON (reverse rotation). Tray 2 and
tray 3 are then lowered simultaneously.
When the downward movement causes tray 3 to
switch PS806 to ON, M804 goes OFF and the
upward movement stops. Tray 2 is now aligned with
the paper exit position of the conveyance drum.
c. Tray squeeze prevention
During tray upward or downward movement, if a
foreign object is caught between the tray and the
finisher unit, MS802 (up/down (upper)) or MS803
(up/down (lower)) will mechanically go OFF, causing
the power supply line of M804 to be cut off.
11
FS-109
2. Signals
a. Input signals
(1) PS805IN (PS80 to FNSCB)
Tray 2 upper limit detection signal.
[L]: Upper limit is not detected
[H]: Upper limit is detected
(2) PS806IN (PS806 to FNSCB)
Tray 3 lower limit detection signal.
[L]: Lower limit is not detected
[H]: Lower limit is detected
(3) 24VIN (MS802/MS803 to FNSCB)
Power supply line for M804 (tray up/down). Forcibly
interrupted when a foreign object is caught between
tray and finisher unit.
b. Output signal
(1) M804 DRV 1, 2 (FNSCB to M804)
M804 drive signals.
M804 rotation direction is controlled by switching the
current direction of these two signals.
State M804 DRV 1 M804 DRV 2
Upward movement
Downward movement
Stop
L
L
H
L
H
H
12
PAPER EXIT/STAPLER UNIT SECTION
Composition
FS-109
Paper exit rollers (A)
Tray 2 motor
Tray 3 motor
Alignment plate (front)
Tray 2/3
Stapler unit (front)
Alignment motor (front)
Exit levers
Stapler movement motor
Stopper
Stapler
unit (rear)
Paper exit motor
Mechanisms
Mechanisms Methods
Paper alignment *1
Paper exit *2
Paper stacking *3
Stapler unit movement
Staple accident prevention *4
*1: Paper alignment
The paper being conveyed by the conveyance drum
is aligned by the alignment plates. Separately driven
guides are provided for front and rear, to allow
independent movement and asymmetrical operation
in shift mode.
The alignment plates are driven by the alignment motor
(front) (M809) and alignment motor (rear) (M808).
Separate guides for front and rear
Exit lever
Paper exit roller (A)
Stapler unit movement motor
Shutter cover
Alignment motor (rear)
Alignment plate (rear)
Alignment plate (front)
Alignment motor (front)
13
FS-109
Exit levers
*2: Paper exit
The paper being supplied by the conveyance drum is
conveyed to the stapling position, regardless of
whether stapling will be carried out or not. If stapling
is enabled, the stapled stack is exited to tray 2 or 3
after stapling. If stapling is not enabled, each sheet is
exited individually to tray 2 or 3.
This movement is performed by the exit levers which
are driven by the paper exit motor (M805).
Paper exit motor
Tray 2 motor
Tray 3 motor
Paper exit roller (A)
*4: Staple accident prevention
A shutter cover is provided to prevent the user from
inadvertently inserting a finger etc. into the stapler. The
shutter cover is driven by the shutter SD (SD802) which
is ON during stapler operation and during stapler unit
movement. The shutter cover blocks the clearance
between the paper exit tray and the stapler unit.
*3: Paper stacking
A spring arrangement in the bottom of tray 2 and tray
3 lifts the bottom plate up, so that it always is in direct
contact or not more than 3 mm away from the paper
exit roller assembly.
[ Operation in through mode ]
The paper is stacked on the tray by the movement of
the exit lever and the rotation of the paper exit roller
(A) of each tray.
When the paper exit roller (A) turns, the tip of the
paper is grasped by the rollers and is stacked under
the rollers.
[ Operation in offset mode ]
The paper is offset by the alignment plates (front/
rear), and is stacked on the tray by the movement of
the exit lever and the rotation of the paper exit roller
(A) of each tray.
By repeating this action, the tip of the paper is
grasped by the rollers and is stacked under the
rollers.
Tray 2
Shutter SD
Paper exit roller (A)
Conveyance
drum
Spring
Stapler
unit
Exit lever
Shutter
cover
14
FS-109
24V
0V
24V
0V
Paper Alignment Control
24V
24V
M808 DRV A
M808 DRV A
M808 DRV B
M808 DRV B
24V
24V
M809 DRV A
M809 DRV A
M809 DRV B
M809 DRV B
5VDC
PS815IN
GND
5VDC
SGND
SGND
PGND
PGND
PGND
M TxD
M REQ
M ACK
MAIN BODY
5V
5V
24V
24V
24V
S ACK
M RxD
S REQ
FNSCB
PS816IN
GND
5VDC
PS802IN
GND
5VDC
PS804IN
GND
The paper exited by the conveyance drum is aligned on
the center of the respective exit tray by the alignment
plates driven by the M808 (alignment (rear)) and M809
(alignment (front)). M808 and M809 are controlled by the
FNSCB (FNS control board).
1. Operation
a. Non-shift alignment operation
The alignment plate (front) and alignment plate (rear)
work symmetrically, with the tray center serving as
the reference point. The guides repeat the alignment
and release pattern. The rotation direction of M809
and M808 is therefore always opposite.
The ON timing of M809 and M808 is referenced to
the ON/OFF state of PS802 (drum entrance) or
PS804 (paper through detect). Which sensor is used
depends on the paper size.
M808
M809
PS815
PS816
PS802
PS804
b. Shift alignment operation
During the first alignment operation, the alignment
plate (front) and alignment plate (rear) are front and
rear symmetric with respect to operation as
reference with the center of the tray and paper is
exited.
During the next alignment operation, the alignment
plate (front) and alignment plate (rear) are not front
and rear symmetric with respect to operation as
reference with the center of the tray and paper is
exited at the position shift to the first copy.
From now on, these operation are repeated.
The ON/OFF timing of M809 and M808 is the same
as that of the non-shift alignment operation.
c. Staple mode operation
In staple mode, M809 and M808 perform release
operation after stapling is completed. The ON/OFF
timing is based on the OFF timing of the stapler motor
that last completed a stapling operation (M802 or M803).
2. Signals
a. Input signals
(1) PS815IN (PS815 to FNSCB)
Home position detection signal for alignment plate
(front).
[L]:Alignment plate is not in home position
[H]:Alignment plate is in home position
(2) PS816IN(PS816 to FNSCB)
Home position detection signal for alignment plate (rear).
[L]:Alignment plate is not in home position
[H]:Alignment plate is in home position
b. Output signals
(1) M808 DRV A, A, B, B (FNSCB to M808)
M808 ON/OFF drive signal
(2) M809 DRV A, A, B, B (FNSCB to M809)
M809 ON/OFF drive signal
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