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2

2

2-31

2-31

Technology>Controls>Outlineofoperations

Technology>Controls>Outlineofoperations

（

Entrance motor 1）

M

（

Entrance motor 2）

M

S31

（

Release timing sensor）

4.Firstpaperdelivery

Thedeliverysensor1turnsontoturntheexitmotor1atthefoldingspeed(400mm/s).
Whenpaperhasbeenfed150.8mm(thetrailingedgehaspassedthroughthe
brushlessmotordrivearea)sincethedeliverysensor1turnedon,theexitmotor1and
exitmotor2slowdowntothelinearspeedofthehostmachine.
When paper has been fed 12.3 mm since the delivery sensor 2 turned on, a “Paper 
Delivery Start Request” signal is sent.
Thedelivery2sensorturnsofftochangethespeedoftheexitmotor1to400mm/s.

•

•

•

•

F-2-76

F-2-76

（

Exit motor 2）

M

（

Exit motor 1）

M

S22

（

Delivery sensor 1）

（

Exit motor 1）

M

S32

（

Fold position sensor）

S21

（

Delivery sensor 2）

（

Release timing solenoid）

SL

（

Fold position 

adjustment motor）

M

C-fold stopper

F-2-77

F-2-77

F-2-78

F-2-78

2

2

2-32

2-32

Technology>Controls>PowerSupply>ProtectionFunction

Technology>Controls>PowerSupply>ProtectionFunction

PowerSupply

TheFinisherACpowersuppliedtothismachinepassesthroughthefilterPCB,andthe
filtered AC power is converted to 24 VDC. The 24 VDC is supplied to the DC control PCB 
fromwhichitissuppliedtotheload-relatedparts(motors,solenoids,fans,andclutches)as
itisorconvertedto5VDCor3.3VDCbytheDC-DCtobesuppliedtologic-relatedparts
(sensors)

ProtectionFunction

ThepowersupplyPCBincorporatesaprimary-side,secondary-sideovercurrent,and
overvoltageprotectioncircuits.

Eachofload-related24Vlineshasafuse.Ifovercurrentorovervoltageoccursinaload
(motor,etc.)duetoatroublesuchasashortcircuit,thefuseblowstoactuatetheprotection
mechanism.
Eachoflogic-related5V/3.3Vlinesalsohasafusetoactuatetheprotectionmechanism.

2

2

2-33

2-33

Technology>Controls>PowerSupply>ProtectionFunction

Technology>Controls>PowerSupply>ProtectionFunction

F-2-80

F-2-80

sensor

DC/DC

Converter

DC/DC

Converter

+5V 

 Logics

+3.3V 

 Logics

Motor Driver 

IC

Motor Driver 

IC

Motor Driver 

IC

Breaker

CB1

Filter PCB

PCB3

Power supply PCB

(24V)

PCB2

DC controller PCB   PCB1

motor

motor

Fan

solenoid

solenoid

solenoid

clutch

motor

motor

motor

sensor

S20,S21,S22,S23,
S24,S25,S26,S27,
S28,S29

S30,S31,S32,S33

Motor Driver vh

IChhh

motor

M7

M8

M9

M10

motor

motor

motor

motor

M11

M5

M12

M13

M14

M15

F1

SOL2

SOL4,SOL5

SOL3

CL3,CL4

SW1

Remote Signal

(24V)

Remote Signal

(3.3V)

MX‑FN21

or

MX‑FN22

SW1：Front upper cover switch

sensor

DC/DC

Converter

DC/DC

Converter

+5V 

 Logics

+3.3V 

 Logics

Motor Driver 

IC

Motor Driver 

IC

Motor Driver 

IC

Breaker

CB1

Filter PCB

PCB3

Power supply PCB

(24V)

PCB2

DC controller PCB   PCB1

motor

motor

Fan

solenoid

solenoid

solenoid

clutch

motor

motor

motor

sensor

S20,S21,S22,S23,
S24,S25,S26,S27,
S28,S29

S30,S31,S32,S33

Motor Driver vh

IChhh

motor

M7

M8

M9

M10

motor

motor

motor

motor

M11

M5

M12

M13

M14

M15

F1

SOL2

SOL4,SOL5

SOL3

CL3,CL4

SW1

Remote Signal

(24V)

Remote Signal

(3.3V)

MX‑FN21

or

MX‑FN22

SW1：Front upper cover switch

2

2

2-34

2-34

Technology>Controls>Workofservice>Upgrading

Technology>Controls>Workofservice>Upgrading

Workofservice

Upgrading

FlashROMisusedforIC3(CPU)onthemastercontrollerPCB.RewritethisICwhen
upgrading.
Therearetwowaystoupgrade.
-Upgradingfromthehostmachine(usingUSBmemoryorservicesupporttool)