Sharp AR-F151 (serv.man6) Service Manual ▷ View online
5. Motors and solenoids
No.
Part name
Control signal
Function operation
1
Toner motor
TM
Supplies toner.
2
Mirror motor
MRMT
Drives the optical mirror base (scanner unit).
3
SPF motor
SPMT
Drives the single pass feeder
4
Original feed solenoid
SPUS
Original feed solenoid
5
Cooling fan motor
VFM
Cools the optical section.
6
Main motor
MM
Drives the copier.
7
Resist roller solenoid
RRS
Resist roller rotation control solenoid
8
Multi paper feed solenoid
MPFS
Multi manual pages feed solenoid
9
Paper feed solenoid
CPFS1
Cassette paper feed solenoid 1
10
Paper feed solenoid
CPFS2
Cassette paper feed solenoid 2
11
Duplex Motor
DMT
Drivers the duplex paper transport section
1
11
2
3
5
4
6
7
8
9
10
AR-F151
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6. Sensors and switches
No.
Name
Signal
Type
Function
Output
1
Mirror home position
sensor
sensor
MHPS
Transmission sensor
Mirror (scanner unit) home
position detection
position detection
“H” at home position
2
SDOD sensor
SDOD
Transmission sensor
SPF open/close detection
Book sensor
Book sensor
“L” at paper pass
3
POD sensor
POD
Transmission sensor
Paper exit detection
“H” at paper pass
4
SPF sensor
SPID/
SDSW
SDSW
Transmission sensor
Paper entry detection
Cover open/close detection
Cover open/close detection
“L” at paper pass
5
SPPD sensor
SPPD
Transmission sensor
Paper transport detection
“L” at paper pass
6
PPD2 sensor
PPD2
Transmission sensor
Paper transport detection 2
“L” at paper pass
7
Cassette detection switch
CED1
Microswitch
Cassette installation
detection
detection
“H” at cassette insertion
8
Cassette detection switch
CED2
Microswitch
Cassette installation
detection
detection
9
Paper size detection switch
PSW1
Microswitch
Detects A4/Letter or
smaller sizes
smaller sizes
1 or 0V of 5V at door
open
open
10
Paper size detection
swtich 2
swtich 2
PSW2
Microswitch
Detects A4/Letter or
smaller sizes
smaller sizes
11
PPD1 sensor
PPD1
Transmission sensor
Paper transport detection 1
“L” at paper pass
12
PPD3 sensor
PPD3
Transmission sensor
Paper transport detection 3
“L” at paper pass
13
Door switch
DSW
Micro switch
Door open/close detection
(safety switch for 5V)
(safety switch for 5V)
1 or 0V of 5V at door
open
open
14
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
open
15
Drum reset switch
DRST
Micro switch
New drum detection switch
Instantaneously “H” at
insertion of new drum
insertion of new drum
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
AR-F151
4 – 5
7. PWB unit
No.
Name
Function
1
Exposure lamp invertor PWB
Exposure lamp (Xenon lamp) control
2
GDI/USB PWB
For GDI/USB interface
3
Main PWB (MCU)
Copier control
4
FAX control PWB
For FAX control
5
Memory PWB 6MB
For memorying data
6
FAX operation PWB
Operation input/LCD display
7
LSU PWB
For laser control
8
LSU motor PWB
For polygon motor drive
9
TCS PWB
For toner sensor control
10
Operation PWB
Operation input/display
11
CCD sensor PWB
For image scanning
12
Power PWB
AC power input, DC voltage control, High voltage control
1
2
3
4
5
6
7
8
9
10
12
11
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8. Cross sectional view
No.
Part name
Function and operation
1
Paper exit roller
Roller for paper exit
2
Lens unit
Scans the original image with the lens and the CCD.
3
LSU (Laser unit)
Converts the original image signal into laser beams and writes onto the drum.
4
Main charger
Provides negative charges evenly to the drum surface.
5
Paper exit roller
Discharges documents.
6
Pickup roller
Picks up documents.
7
Separation roller
Separates documents to feed properly.
8
PS roller
Feeds documents to the scanning section.
9
Scanner unit
Illuminates the original with the copy lamp and passes the reflected light to the lens unit (CCD).
10
Exposure lamp
Exposure lamp (Xenon lamp) Illuminates original
11
Heat roller
Fuses toner on the paper. (Teflon roller)
12
Pressure roller
Fuses toner on the paper. (Silicon rubber roller)
13
Drum
Forms images.
14
Transfer unit
Transfers images onto the drum.
15
Pickup roller
Picks up the manual feed paper. (In multi feed only)
16
Manual paper feed
tray
tray
Tray for manual feed paper
17
Manual paper feed
roller
roller
Transport the paper from the manual paper feed port.
18
PS roller unit
Takes synchronization between the lead edge and the rear edge of the paper.
19
Paper feed roller
Picks up a sheet of paper from the cassette.
1
2
3
4
5
6
7
8
9
10
11
11
12
13
14
15
17
16
(AR-F151)
18
19
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