Sharp MX-2600N / MX-3100N / MX-2600G / MX-3100G (serv.man7) Service Manual ▷ View online
MX-3100N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 12
J. Drive motor
Signal
name
Name
Type
Function/Operation
NOTE
ADUML
ADU motor lower
Stepping motor
Drives the right door section.
CLUM1
Paper tray lift-up motor (Paper feed tray 1)
DC brush motor
Drives the lift plate of the paper feed tray.
CLUM2
Paper tray lift-up motor (Paper feed tray 2)
DC brush motor
Drives the lift plate of the paper feed tray.
CPFM
Paper feed motor
Brush-less motor
Drives the paper feed section.
DVM_CL
Developing drive motor (CL)
Brush-less motor
Drives the OPC drum/developing section (CL).
DVM_K
Developing drive motor (K)
Brush-less motor
Drives the OPC drum/developing section/transfer
section (K).
section (K).
FUM
Fusing drive motor
Stepping motor
Drives the fusing unit.
MIM
Scanner motor
Stepping motor
Scanner (reading) section
OSM
Shifter motor
Stepping motor
Performs offset of paper.
PFM
Transport motor
Stepping motor
Drives transport between the resist roller and the
paper feed section, transport between the resist roller
and the right door section.
paper feed section, transport between the resist roller
and the right door section.
PGM
Polygon motor
DC brush-less motor
Scans the laser beam.
POM
Paper exit drive motor
Stepping motor
Drives the paper exit roller.
PRM
Fusing pressure release motor
Stepping motor
Adjusts the fusing roller pressure.
RRM
Resist motor
Stepping motor
Drives the resist roller and controls ON/OFF.
SPFM
SPF transport motor
Stepping motor
Drives the transport roller and the PS roller.
SPRM
SPF paper feed reverse motor
Stepping motor
Drives the roller for paper feeding and drives the
SWB transport roller.
SWB transport roller.
TNM_C
Toner motor C
Stepping motor
Transports toner of the toner cartridge to the
developement unit.
developement unit.
TNM_K
Toner motor K
Stepping motor
Transports toner of the toner cartridge to the
developement unit.
developement unit.
TNM_M
Toner motor M
Stepping motor
Transports toner of the toner cartridge to the
developement unit.
developement unit.
TNM_Y
Toner motor Y
Stepping motor
Transports toner of the toner cartridge to the
developement unit.
developement unit.
WTNM
Waste toner drive motor
Synchronous motor
Stirs waste toner.
TNM_Y
TNM_Y
OSM
OSM
PRM
PRM
PGM
PGM
WTNM
WTNM
POM
POM
FUM
FUM
TNM_M
TNM_M
DVM_CL
DVM_CL
DVM_K
DVM_K
RRM
RRM
TNM_C
TNM_C
TNM_K
TNM_K
SPFM
SPFM
MIM
MIM
SPRM
SPRM
ADULM
ADUML
CLUM1
CLUM1
CLUM2
CLUM2
PFM
PFM
CPFM
CPFM
MX-3100N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 13
K. Lamps/Gates
Signal
name
Name
Type
Function/Operation
NOTE
CCFT
LCD backlight
Cold Cathode
Fluorescent Tube
Fluorescent Tube
Backlight for LCD
CLI
Scanner lamp
Xenon lamp
Radiates lights onto a document for the CCD to scan
the document image.
the document image.
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_U
Heater lamp upper
Heats the upper heat roller.
No.
Name
Type
Function/Operation
NOTE
1
RSPF reverse gate
Guide paper which is switched back by the paper exit
roller to the transport roller when duplex scanning of a
document is performed.
roller to the transport roller when duplex scanning of a
document is performed.
2
ADU reverse gate
Switches the paper route which is discharged to the
inner tray or the right tray.
inner tray or the right tray.
3
ADU gate lower
Switches the transport route by switchback when
paper is transported to the duplex (ADU) section.
paper is transported to the duplex (ADU) section.
DL_M
DL_M
DL_K
DL_K
DL_C
DL_C
DL_Y
DL_Y
1
CCFT
CCFT
HL_U
HL_U
CLI
CLI
HL_LM
HL_LM
3
2
2
: '09/Sep
2
MX-3100N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 14
L. Fans and filters
Signal
name
Name
Function/Operation
NOTE
CCFM
Process air inlet fan motor
Cools charger section of the process.
FUFM
Fusing fan motor
Cools the fusing unit and peripheral area.
MFPFM
Controller cooling fan motor
Cools the controller PWB.
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.
PSFM2
Power cooling fan motor2
Cools the power unit.
RCFM
Rear cooling fan motor
Cools rear (R) part of the machine.
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
Deodorizes smell generated by the fusing unit.
POFM_F
POFM_F
POFM_R
POFM_R
PSFM
PSFM
PSFM2
PSFM2
OZFM
OZFM
FUFM
FUFM
MFPFM
MFPFM
RCFM
RCFM
CCFM
CCFM
2
3
1
MX-3100N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 15
M. PWB
NO
Name
Function/Operation
NOTE
1
RD I/F PWB
Detects each sensor in the right door unit.
2
Tray installation detection PWB
Detects the tray.
3
DC power PWB
Outputs the secondary side voltage.
4
Driver main PWB
Drives the transport motor and related sections.
5
MC PWB
Generates the high voltage for the main charger and the
developing bias voltage.
developing bias voltage.
6
Primary transfer PWB
Generates the primary transfer voltage.
7
AC power PWB
Controls the primary side power source.
8
Scanner control PWB
Controls the scanner section.
35
20
33
9
12
30
34
25
24
24
23
27
1
3
4
17
18
26
13
14
8.5 inch
8.1 inch
15
16
31
5
8
15
14
33
13
16
32
10
11
6
7
22
21
2
28
19
29
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