Sharp MX-2300N / MX-2700N / MX-2300G / MX-2700G / MX-2300FG / MX-2700FG (serv.man9) Service Manual ▷ View online
MX-2300/2700 N/G EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 9
I. Clutches and solenoids
Signal name
Name
Type
Function/Operation
Note
1TURC
Primary transfer separation clutch
Electromagnetic clutch
Controls the primary transfer separation
mode.
mode.
CPFC
Tray vertical transport clutch
Electromagnetic clutch
Controls ON/OFF of the paper transport
roller in the paper feed tray section.
roller in the paper feed tray section.
CPUC1
Paper feed clutch (Paper feed tray 1)
Electromagnetic clutch
Controls ON/OFF of the roller in the
paper feed tray 1 section.
paper feed tray 1 section.
CPUC2
Paper feed clutch (Paper feed tray 2)
Electromagnetic clutch
Controls ON/OFF of the roller in the
paper feed tray 2 section.
paper feed tray 2 section.
LSUSS1
LSU shutter solenoid
Electromagnetic solenoid
Opens/closes the LSU shutter.
MPFS
Paper pickup solenoid (Manual paper
feed)
feed)
Electromagnetic solenoid
Paper pickup solenoid (Manual paper
feed)
feed)
MPGS
Manual paper feed gate solenoid
Electromagnetic solenoid
Controls open/close of the manual paper
feed gate solenoid.
feed gate solenoid.
MPUC
Manual paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the manual paper
feed roller in the manual paper feed
section.
feed roller in the manual paper feed
section.
PCSS
Process control shutter solenoid
Electromagnetic solenoid
Opens/closes the shutter of the process
control and the registration sensor.
control and the registration sensor.
1TURC
LSUSS1
PCSS
PCSS
MPUC
CPUC1
CPFC
CPFC
CPUC2
MPGS
MPFS
MX-2300/2700 N/G EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 10
J. Drive motors
Signal name
Name
Type
Function/Operation
Note
ADUM_L
ADU motor lower
Stepping motor
Drives the right door section.
CLUM1
Paper tray lift-up motor (Paper
feed tray 1)
feed tray 1)
DC brush-less motor
Drives the lift plate of the paper feed tray.
CLUM2
Paper tray lift-up motor (Paper
feed tray 2)
feed tray 2)
DC brush-less motor
Drives the lift plate of the paper feed tray.
CPFM
Paper feed motor
Brush-less motor
Drives the paper feed section.
DM_CL
Drum motor (CL)
Stepping motor
Drives the color OPC drum unit.
DM_K
Drum motor (K)
Stepping motor
Drives the black OPC drum unit.
DVM_CL
Developing drive motor (CL)
Brush-less motor
Drives the developing section (CL).
DVM_K
Developing drive motor (K)
Brush-less motor
Drives the developing section/transfer section (K).
FUM
Fusing drive motor
Stepping motor
Drives the fusing unit.
MIM
Scanner motor
Stepping motor
Drives the scanner (reading) section.
OSM
Shifter motor
Stepping motor
Performs offset of paper.
PFM
PS front motor
Stepping motor
Drives transport between the resist roller and the paper feed
section, transport between the resist roller and the right door
section.
section, transport between the resist roller and the right door
section.
PGM
Polygon motor
DC brushless motor
Scans the laser beam
POM
Paper exit drive motor
Stepping motor
Drives the paper exit roller.
RRM
Registration motor
Stepping motor
Drives the resist roller and controls ON/OFF.
TNM_C
Toner motor C
Synchronous motor
Transports toner from the toner cartridge to the developing unit.
TNM_K
Toner motor K
Synchronous motor
Transports toner from the toner cartridge to the developing unit.
TNM_M
Toner motor M
Synchronous motor
Transports toner from the toner cartridge to the developing unit.
TNM_Y
Toner motor Y
Synchronous motor
Transports toner from the toner cartridge to the developing unit.
WTNM
Waste toner drive motor
Synchronous motor
Stirs waste toner.
OSM
WTNM
PGM
TNM_Y
TNM_M
TNM_C
DVM_CL
TNM_C
DVM_CL
DM_CL
DM_K
PFM
CPFM
RRM
MIM
CLUM1
CLUM2
POM
FUM
TNM_K
DVM_K
ADUM_L
MX-2300/2700 N/G EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 11
K. Lamps
Signal name
Name
Type
Function/Operation
Note
CCFT
LCD backlight
CCFT cool cathode ray tube
Backlight for the CCD
CLI
Scanner lamp
Xenon lamp
Radiates lights onto a document for the CCD to scan
document images.
document images.
DL_C
Discharge lamp C
LED
Discharges electric charges on the OPC drum.
DL_K
Discharge lamp K
LED
Discharges electric charges on the OPC drum.
DL_M
Discharge lamp M
LED
Discharges electric charges on the OPC drum.
DL_Y
Discharge lamp Y
LED
Discharges electric charges on the OPC drum.
HL_LM
Heater lamp lower main
Heats the lower heat roller. (Main)
HL_UM
Heater lamp upper main
Heats the upper heat roller. (Main)
HL_US
Heater lamp upper sub
Heats the upper heat roller. (Sub)
CLI
HL_UM
CCFT
HL_US
HL_LM
DL_Y
DL_M
DL_M
DL_C
DL_K
MX-2300/2700 N/G EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 12
L. Fans and filters
Signal name
Name
Function/Operation
Note
CPUFM
Controller cooling fan motor
Cools the controller PWB.
HDDFM
HDD cooling fan motor
Cools the HDD.
OZFM
Ozone fan motor
Exhausts ozone.
POFM_F
Paper exit cooling fan motor (F side)
Cools the fusing unit.
POFM_R
Paper exit cooling fan motor (R side)
Cools the fusing unit.
PSFM
Power cooling fan motor
Cools the power unit.
No.
Name
Function/Operation
Note
1
Ozone filter
Absorbs ozone generated in the image process section.
2
Toner filter
Prevents dispersing of toner.
3
Paper exit filter
1
HDDFM
2
3
CPUFM
POFM_F
POFM_R
PSFM
OZFM
1
1
: Dec. 15 2005
1
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