DOWNLOAD Sharp MX-FN21 / MX-FN22 (serv.man4) Service Manual ↓ Size: 18.63 MB | Pages: 127 in PDF or view online for FREE

2

2

2-26

2-26

TECHNICALDESCRIPTIONS>SaddleStitcherSection

TECHNICALDESCRIPTIONS>SaddleStitcherSection

3) Thepaperfoldingrollerrotatesinthearrowdirection,andthepaperpushplateshifts

inthearrowdirection.Thenfoldingofthepaperbundleisstarted.Afterthat,thepaper
pushplatereturnstotheoriginalpositionandstopsthere.

Paper folding

roller

Paper

bundle

Paper push plate

F-2-49

F-2-49

2

2

2-27

2-27

TECHNICALDESCRIPTIONS>ControllerSection

TECHNICALDESCRIPTIONS>ControllerSection

ControllerSection

Outline

The controller section performs the overall control of the whole machine, and controls the
loadsection,thetransportsection,theprocesstraysection,andthesaddlestitchersection.

Finisher

Controller section

Load section

Transport section

Intermediate process
tray section

Finisher
controller PWB

Connected
unit

Saddlefinisher

Controller section

Finisher
controller PWB

Saddle stitcher
controller PWB

Connected
unit

Load section

Transport section

Process tray section

Saddle stitcher

section

•

•

F-2-50

F-2-50

FinishercontrollerPWB

ThefinishercontrollerPWBdrivestheloads(motors,solenoids,etc.)andnotifiesinformation
onthesensorandswitchstatustotheconnectedunit.Italsocontrolstheinnerpunchunit,
andthesaddlestitcherunit.

Finisher

Finisher controller PWB

CPU (IC1)

ASIC1 (IC2)

EEPROM

(IC6)

ASIC2 (IC3)

Inner Punch Unit
(Option)

Connected
Unit

Motor

Solenoid

Clutch

Fan

Switch

Sensor

Saddlefinisher

Motor

Solenoid

Clutch

Fan

Finisher controller PWB

Switch

Sensor

CPU(IC1)

ASIC1(IC2)

EEPROM

(IC6)

ASIC2(IC3)

Saddle stitcher
controller PWB

puncher unit
(option)

Connected

unit

•

•

F-2-52

F-2-52

2

2

2-28

2-28

TECHNICALDESCRIPTIONS>ControllerSection

TECHNICALDESCRIPTIONS>ControllerSection

ThemajorrolesofthemajorIC'susedinthiscircuitaredescribedbelow.

Name

Role

CPU(IC1)

Controlscommunicationbetweenthiscircuitandtheconnected
unit.
ControlsASIC1/ASIC2.
Storesthefirmwarewhichoperatesthemachine.

ASIC1(IC2)

Controlscommunicationwithoptionunits.
Drivesandcontrolstheloads.

ASIC2(IC3)

Drivesandcontrolstheloads.

EEPROM(IC6)

Storesthecountervaluesandtheadjustmentvalues.

T-2-9

T-2-9

SaddlestitchercontrollerPWB

Saddle stitcher

controller PWB

Sensor

CPU(IC1)

Finisher

controller PWB

Inner trimmer (Option)

Motor

Solenoid

ThemajorrolesofthemajorIC'susedinthiscircuitaredescribedbelow.

Name

Role

CPU(IC1)

Controlscommunicationbetweenthiscircuitandthefinisher.
Drivesandcontrolstheloads.
Storesthefirmwarewhichoperatesthemachine.

F-2-54

F-2-54

T-2-10

T-2-10

2

2

2-29

2-29

TECHNICALDESCRIPTIONS>PowerSource

TECHNICALDESCRIPTIONS>PowerSource

PowerSource

Outline

TheDCpowerforthismachineissuppliedbythepowerunit.
Thefunctionandthepowerdistributionofthepowerunitareasshowninthetablebelow.

Name

Function

Powerunit

GeneratestheDCpower(24Vseries).SuppliestheDCpowertothefinisher
controllerPWB.

FinisherSafetySwitch1(Frontcoverswitch)(FNSW101)
FinisherSafetySwitch3(Oscillationguideswitch(Front)(Rear))(FNSW102)
FinisherSafetySwitch2(Staplersafetyswitch)(FNSW103)
FinisherTrayProximitySwitch(Uppertray/Middletray)(FNSW110)

TurnsON/OFFtheDCpowerof24V.

Protectionfunction

Forovercurrentprotectionof24VDCtodrivethemotor,themotordriverisprovidedwhichincludesafuseoranovercurrentprotectionfunction.
Afuseisprovidedalsointhe24VDCinputsectionofeachcontrollerPWB,anditwillmeltdownwhenanovercurrentflows.
The power PWB is provided with the overvoltage/overcurrent protection function which interrupts the output voltage automatically to prevent the power circuit from being damaged when an
overcurrentoranovervoltageisgeneratedduetoashortcircuitoratroubleontheloadside.
Thecircuitisalsoprovidedwithafuse,whichismeltdowntointerruptpowerconductionwhenanovercurrentflowsintheACline.