Read Sharp AR-M550 (serv.man10) Service Manual 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
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