Sharp AR-M550 (serv.man10) Service Manual ▷ View online
AR-M550/M620 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 15
F. Fan motor
Code
Signal
name
Name
Type
Function/Operation
Active
condition
MODEL
NOTE
CFM-DC1
CFM-DC1
Power cooling fan motor
DC brushless
motor
motor
Cools the DC power unit.
CFM-DC2
CFM-DC2
Power cooling fan motor
DC brushless
motor
motor
Cools the DC power unit.
CFM-DV
CFM-DV
Developing section cooling
fan motor
fan motor
DC brushless
motor
motor
Cools the developing
section.
section.
PWM control
CFM-HDD
CFM-HDD
HDD cooling fan motor
DC brushless
motor
motor
Cools the HDD.
PWM control
CFM-ICU
CFM-ICU
Controller cooling fan motor
DC brushless
motor
motor
Cools the controller.
PWM control
CFM-R1
CFM-R1
Process cooling fan motor 1
(LSU/process section)
(LSU/process section)
DC brushless
motor
motor
Cools the LSU/ process
section.
section.
PWM control
CFM-R2
CFM-R2
Process cooling fan motor 2
(LSU/process section)
(LSU/process section)
DC brushless
motor
motor
Cools the LSU/ process
section.
section.
PWM control
CFM-R3
CFM-R3
Process cooling fan motor 3
(LSU/process section)
(LSU/process section)
DC brushless
motor
motor
Cools the LSU/ process
section.
section.
PWM control
CFM-U1
CFM-U1
Fusing section cooling fan
motor 1 (Paper exit/duplex
(ADU) section) (Top surface)
motor 1 (Paper exit/duplex
(ADU) section) (Top surface)
DC brushless
motor
motor
Exhaust heat from the
fusing section.
fusing section.
PWM control
CFM-U2
CFM-U2
Fusing section cooling fan
motor 2 (Paper exit/duplex
(ADU) section) (Paper exit
rear side)
motor 2 (Paper exit/duplex
(ADU) section) (Paper exit
rear side)
DC brushless
motor
motor
Exhaust heat from the
fusing section.
fusing section.
PWM control
CFM-U3
CFM-U3
Fusing section cooling fan
motor 3 (Paper exit/duplex
(ADU) section)(Top surface)
motor 3 (Paper exit/duplex
(ADU) section)(Top surface)
DC brushless
motor
motor
Exhaust heat from the
fusing section.
fusing section.
PWM control
CFM-U4
CFM-U4
Fusing section cooling fan
motor 4 (Paper exit/duplex
(ADU) section) (Paper exit
rear side)(Paper cooling fan
motor)
motor 4 (Paper exit/duplex
(ADU) section) (Paper exit
rear side)(Paper cooling fan
motor)
DC brushless
motor
motor
Exhaust heat from the
fusing section.
Cools paper which is
discharged to the inner
tray.
fusing section.
Cools paper which is
discharged to the inner
tray.
PWM control
SPFFAN
SPFFAN
SPF fan motor
DC brushless
motor
motor
Cools the motor and the
clutch in the SPF.
clutch in the SPF.
PWM control
VFM-BKL
VFM-BKL
Process paper exit fan motor
4
4
DC brushless
motor
motor
Exhaust ozone and heat
from the process section.
from the process section.
PWM control
CFM-HDD
CFM-DV
SPFFAN
VFM-BKU
CFM-U2
CFM-U4
VFM-BKR
CFM-ICU
CFM-DC1
CFM-DC2
VFM-BKL
CFM-R1
CFM-R2
CFM-R3
CFM-U3
VFM-EX1
VFM-EX2
VFM-EX3
CFM-U1
AR-M550/M620 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 16
G. PWB (Main unit section)
VFM-BKR
VFM-BKR
Process paper exit fan motor
5
5
DC brushless
motor
motor
Exhaust heat from the
fusing section.
fusing section.
PWM control
VFM-BKU
VFM-BKU
Paper cooling fan motor
DC brushless
motor
motor
Cools paper on the inner
tray.
tray.
PWM control
VFM-EX1
VFM-EX1
Process paper exit fan motor
1 (Front side)
1 (Front side)
DC brushless
motor
motor
Exhaust ozone and heat
from the process section.
from the process section.
PWM control
VFM-EX2
VFM-EX2
Process paper exit fan motor
2 (Center)
2 (Center)
DC brushless
motor
motor
Exhaust ozone and heat
from the process section.
from the process section.
PWM control
VFM-EX3
VFM-EX3
Process paper exit fan motor
3 (Rear side)
3 (Rear side)
DC brushless
motor
motor
Exhaust ozone and heat
from the process section.
from the process section.
PWM control
No
Name
Function/Operation
MODEL
NOTE
1
AC power PWB
Controls the AC power.
2
CCD PWB
Scans document images.
3
CIS control PWB
Scans document images (back surface) and controls the CIS unit.
4
DC main power PWB
Generates the DC power.
5
DC sub power PWB
Generates the DC power in the power save mode.
6
LVDS/INV PWB
Generates the LCD display signal, and generates a high voltage for
backlight.
backlight.
7
MFP FLASH ROM PWB
Stores the MFP control program.
8
MFP controller PWB
Controls the image-related items and controls all over the machine.
9
Mother PWB
Interfaces the MFP control PWB and the PCU PWB.
10
PCU FLASH ROM PWB
Stores the PCU control program.
11
PCU PWB
Controls the engine section.
12
SPF PWB
Drives the SPF section loads./ Interfaces the sensor and detector
signals.
signals.
13
SPF paper width detection PWB
Detects the SPF paper tray paper width.
14
Image density sensor PWB
Detects the toner patch density in the image density correction.
15
OPC drum mark sensnor PWB
Detects the OPC drum mark.
16
Document size detection light
reception PWB
reception PWB
Generates the document size detection signal.
17
Document size detection light
emitting PWB
emitting PWB
Generates lights to detect the document size.
18
Fusing roller bias high voltage
PWB
PWB
Provides the fusing roller bias voltage.
Not used
Code
Signal
name
Name
Type
Function/Operation
Active
condition
MODEL
NOTE
1
22
2
26
27
3
4
5
6
8
29
28
7
9
10
30
30
11
12
20
25
24
14
15
18
23
13
16
17
31
32
19
AR-M550/M620 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 17
H. FAX section
19
High voltage PWB (MC/DV/TC)
Generates the main charger voltage, the developing bias voltage, the
transfer voltage and the transfer belt cleaning voltage.
transfer voltage and the transfer belt cleaning voltage.
20
Transfer bias high voltage PWB
(TD CL)
(TD CL)
Provides the bias voltage for the transfer cleaning roller and the print
mode.
mode.
22
Dehumidifier heater relay PWB
Controls ON/OFF of the dehumidifier heater.
23
Discharge lamp PWB
Generates light for discharging.
24
Scanner Flash PWB
Stores the scanner control program.
25
Scanner control PWB
Controls the scanner section.
26
Scanner relay PWB
Interfaces the scanner control PWB, the CCD PWB, the operation
control PWB and the LVDS/INV PWB.
control PWB and the LVDS/INV PWB.
27
Operationcontrol PWB
Controls the display operation panel.
28
Soft NIC PWB
Controls the network.
29
Manual feed paper width
detection PWB
detection PWB
Detects the manual paper feed tray paper width.
30
Driver PWB
Drives the motors.
31
Paper size detection PWB
(Paper feed tray 3, 4)
(Paper feed tray 3, 4)
Detects the paper size.
32
Detector PWB
(Paper feed tray 1, 2)
(Paper feed tray 1, 2)
Detects the paper empty and upper limit tray.
No
Name
Function/Operation
MODEL
NOTE
1
MDMC PWB
Controls the Modem and the TEL/LIU PWB.
FAX unit
2
FAX IF PWB
• Interfaces the MDMC PWB and the main unit controller PWB.
• Installs the FAX image memory. (Expansion memory AR-MM9 can
• Installs the FAX image memory. (Expansion memory AR-MM9 can
be installed.)
3
TEL/LIU PWB
• Controls the line. (Call-out, polarity reversion detection, CI
detection, line monitor, etc.)
• Connection of an externally connected telephone line.
4
FAX AC power 100
Generates the FAX DC power of 100V.
5
FAX AC power 200
Generates the FAX DC power of 200V.
No
Name
Function/Operation
MODEL
NOTE
3
4,5
1
AR-M550/M620 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 18
I.
Fuse/thermostat
No.
Code
Name
Type
Specificaiton
Funciton/Operation
Section
NOTE
1
F201
Fuse
Time lag
250V 6.3A
PCU PWB protection (24V1)
DC main
power PWB
power PWB
100V system/
200V system
200V system
2
F202
Fuse
Time lag
250V 6.3A
Driver PWB protection (24V2)
DC main
power PWB
power PWB
100V system/
200V system
200V system
3
F203
Fuse
Time lag
250V 6.3A
Scanner control PWB protection (24V3)
DC main
power PWB
power PWB
100V system/
200V system
200V system
4
F204
Fuse
Time lag
250V 6.3A
LCC control PWB protection (24V4)
DC main
power PWB
power PWB
100V system/
200V system
200V system
5
F205
Fuse
Time lag
250V 6.3A
Finisher protection (24V5)
DC main
power PWB
power PWB
100V system/
200V system
200V system
6
F206
Fuse
Time lag
250V 6.3A
Inserter protection (24V6)
DC main
power PWB
power PWB
100V system/
200V system
200V system
7
F207
Fuse
NOT USED
DC main
power PWB
power PWB
100V system/
200V system
200V system
8
F208
Fuse
Time lag
250V 6.3A
Motor protection (38V)
DC main
power PWB
power PWB
100V system/
200V system
200V system
9
F1
Fuse
Time lag
250V 15A
DC power source overcurrent protection (Main
source)
source)
DC main
power PWB
power PWB
100V system
10
F2
Fuse
Time lag
250V 3.15A
Varistor overcurrent protection
DC main
power PWB
power PWB
100V system/
200V system
200V system
11
F3
Fuse
Time lag
250V 5A
MFP controller PWB power source protection
(12V1, 5V1)
(12V1, 5V1)
DC main
power PWB
power PWB
100V system/
200V system
200V system
12
F1
Fuse
Time lag
250V 8A
DC power source overcurrent protection (Main
source)
source)
DC main
power PWB
power PWB
200V system
13
F101
Fuse
Time lag
250V 2A
DC sub power source oevercurrent protection
(Main source)
(Main source)
DC sub power
PWB
PWB
100V system/
200V system
200V system
14
F102
Fuse
Time lag
250V 2A
DC sub power source overcurrent protection
(Main source)
(Main source)
DC sub power
PWB
PWB
100V system/
200V system
200V system
15
F1
Fuse
Immediate-
decision type
decision type
250V 200mA
LCD inverter circuit overcurrent protection
LVDS/INV
PWB
PWB
Common
16
Fuse
17
F1,F2
Fuse
Time lag
125V 20A
AC power source overcurrent protection (Main
source)
source)
AC power
PWB
PWB
Japan100V
18
F3,F4
Fuse
Time lag
250V 2.0A
Thermal heater overcurrent protection
AC power
PWB
PWB
Japan100V
19
F5
Fuse
Time lag
250V 2.5A
MSW detection circuit overcurrent protection
AC power
PWB
PWB
Japan100V
20
F1
Fuse
Time lag
250V 20A
AC power source overcurrent protection (Main
source)
source)
AC power
PWB EX100
PWB EX100
EX Japan
100V system
100V system
21
F3
Fuse
Time lag
250V 2.0A
Thermal heater overcurrent protection
AC power
PWB EX100
PWB EX100
EX Japan
100V system
100V system
22
F5
Fuse
Time lag
250V 2.5A
MSW detection circuit overcurrent protection
AC power
PWB EX100
PWB EX100
EX Japan
100V system
100V system
18,21,24
17,20,23
19,22,25
19,22,25
4
11
9,12
10
15
13
14
3
2
1
7
6
5
8
26,29
27,30
28,31
Click on the first or last page to see other AR-M550 (serv.man10) service manuals if exist.