Sharp AR-203 (serv.man5) Service Manual ▷ View online
AR-203E/5420/M200/M201 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 5
4. Motors and solenoids
4
1
5
3
2
7
6
8
9
No.
Part name
Control signal
Function / Operation
1
Main motor
MM
Drives the copier.
2
Scanner motor
MRMT
Drives the optical mirror base (scanner unit).
3
Toner motor
TM
Supplies toner.
4
Cooling fan motor
VFM
Cools the optical, fusing section.
5
Resist roller solenoid
RRS
Resist roller rotation control solenoid
6
Paper feed solenoid
CPFS1
Cassette Paper feed solenoid 1
7
Multi paper feed solenoid
MPFS
Multi manual pages feed solenoid
8
Duplex motor
DMT
Devices the duplex paper transport section (AR-M201 only)
9
Shifter motor
SFTM
Drives the shifter. (AR-M200/M201)
AR-203E/5420/M200/M201 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 6
5. Sensors and switches
5
6
4
7
2
1
3
No.
Name
Signal
Type
Function
Output
1
Scanner unit home position
sensor
sensor
MHPS
Transmission sensor
Scanner unit home position
detection
detection
"H" at home position
2
POD sensor
POD
Transmission sensor
Paper exit detection
"H" at paper pass
3
PPD2 sensor
PPD2
Transmission sensor
Paper transport detection 2
"L" at paper pass
4
Cassette detection switch
CED1
Micro-switch
Cassette installation detection
"H" at cassette insertion
5
PD1 sensor (AR-M200/M201)
PD1
Micro-switch
Paper width detect
"H" at A4 size or less
"L" at A4 size or more
"L" at A4 size or more
6
PPD1 sensor
PPD1
Transmission sensor
Paper transport detection 1
"L" at paper pass
7
Door switch
DSW
Micro-switch
Door open/close detection
(safety switch for 24V)
(safety switch for 24V)
1 or 0V of 24V at door open
AR-203E/5420/M200/M201 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 7
6. PWB unit
1
5
2
11
8
6
3
7
4
10
9
No.
Name
Function
1
Exposure lamp invertor PWB
Exposure lamp (CCFL) control
2
Main PWB (MCU)
Copier control
3
Operation PWB
Operation input/display
4
High voltage PWB
High voltage control
5
CCD sensor PWB
For image scanning
6
LSU motor PWB
For polygon motor drive
7
TCS PWB
For toner sensor control
8
LSU PWB
For laser control
9
FAX-operation PWB
FAX operation input (AR-FX13 option)
10
Power PWB
AC power input, DC voltage control
11
Modem PWB
FAX control (AR-FX13 option)
AR-203E/5420/M200/M201 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 8
7. Cross sectional view
6
7
8
9
10
11
12
14
13
4
16
15
1
2
5
3
No.
Part name
Function and operation
1
Scanner unit
Illuminates the original with the copy lamp and passes the reflected light to the lens unit (CCD).
2
Exposure lamp
Exposure lamp (CCFL) Illuminates original
3
LSU (Laser unit)
Converts the original image signal into laser beams and writes onto the drum.
4
Paper exit roller
Shifter roller
Shifter roller
Roller for paper exit (AR-203E/5420)
Transports and shifts paper in the back-forth direction of the machine. (AR-M200/M201)
Transports and shifts paper in the back-forth direction of the machine. (AR-M200/M201)
5
Main charger
Provides negative charges evenly to the drum surface.
6
Heat roller
Fuses toner on the paper. (Teflon roller)
7
Pressure roller
Fuses toner on the paper. (Silicon rubber roller)
8
Drum
Forms images.
9
Transfer unit
Transfers images onto the drum.
10
Pickup roller
Picks up the manual feed paper. (In multi feed only)
11
Manual paper feed tray
Tray for manual feed paper
12
Manual paper feed roller
Transport the paper from the manual paper feed port.
13
PS roller unit
Takes synchronization between the lead edge and the rear edge of the paper.
14
Paper feed roller
Picks up a sheet of paper from the cassette.
15
Paper transport roller
Transports of a paper.
16
Paper transport roller 2
Transports of a paper. (AR-M200/M201)
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