Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man12) Service Manual ▷ View online
MX-4101N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 13
L. Drive motor
Signal name
Name
Type
Function/Operation
ADUM_H
ADU motor upper
Stepping motor
Drives the transport roller 13.
ADUM_L
ADU motor lower
Stepping motor
Drives the right door section.
BTM
Transfer belt motor
Stepping motor
Drives the transfer belt.
CLUM1
Paper tray lift-up motor
(Paper feed tray 1)
(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)
(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.
DM_K
BK drum motor
Stepping motor
Drives the BK drum.
DM_M
CL drum motor
Stepping motor
Drives the CL drum.
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 OPC drum/developing section/transfer section (K).
FUM
Fusing drive motor
Stepping motor
Drives the fusing unit.
HPFM
Horizontal transport motor
Stepping motor
Transports paper from the paper feed section to the transport motor drive system.
Transports paper from the right door section to the transport motor drive system.
Transports paper from the right door section to the transport motor drive system.
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.
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.
TNM_C
Toner motor C
Stepping motor
Transports toner of the toner cartridge to the developement unit.
TNM_K
Toner motor K
Stepping motor
Transports toner of the toner cartridge to the developement unit.
TNM_M
Toner motor M
Stepping motor
Transports toner of the toner cartridge to the developement unit.
TNM_Y
Toner motor Y
Stepping motor
Transports toner of the toner cartridge to the developement unit.
WEBM
Fusing web cleaning motor
Synchronous motor
Drives the fusing web cleaning paper.
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
ADUHM
ADUHM
ADUHM
ADULM
WEBM
WEBM
TNM_M
TNM_M
DVM_CL
DVM_CL
RRM
RRM
TNM_C
TNM_C
TNM_K
TNM_K
MIM
MIM
CLUM1
CLUM1
HPFM
HPFM
CLUM2
CLUM2
PFM
PFM
CPFM
CPFM
DVM_K
DVM_K
DM_M
DM_M
DM_K
DM_K
BTM
BTM
MX-4101N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 14
M. Lamps, gates and heaters
Signal name
Name
Type
Function/Operation
CCFT
LCD backlight
Cold Cathode Fluorescent Tube
Backlight for LCD
CLI
Scanner lamp
Xenon lamp
Radiates lights onto a document for the CCD to scan 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_UM
Heater lamp upper main
Heats the upper heat roller. (Main)
HL_EX1
Heater lamp external 1
Heats the upper heat roller. (External)
HL_EX2
Heater lamp external 2
Heats the upper heat roller. (External)
Signal name
Name
Type
Function/Operation
1
ADU reverse gate
Switches the paper route which is discharged to the inner tray or the right
tray.
tray.
2
ADU gate lower
Switches the transport route by switchback when paper is transported to
the duplex (ADU) section.
the duplex (ADU) section.
CCFT
CCFT
CLI
CLI
DH1
DH1
DL_M
DL_M
DL_K
DL_K
DL_C
DL_C
DL_Y
DL_Y
HL_U
HL_U
HL_EX1
HL_EX1
HL_EX1
HL_EX2
HL_LM
HL_LM
2
1
MX-4101N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 15
N. Fans and filters
Signal name
Name
Function/Operation
CAFM
Cartridge cooling fan motor
Cools the toner cartridge.
CCFM
Process air inlet fan motor
Cools charger section of the process.
FUFM
Fusing fan motor
Cools the fusing unit and peripheral area.
LSUFM
LSU cooling fan motor
Cools the LSU section.
MFPFM
Controller cooling fan motor
Cools the controller PWB.
OZFM
Ozone fan motor
Exhausts ozone.
PCSFM1
Toner cooling fan motor 1
Cools the toner bottle.
PCSFM2
Toner cooling fan motor 2
Cools the toner bottle.
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
1
Ozone filter
Absorbs ozone generated in the image process section.
2
Toner filter
Prevents dispersing of toner.
3
Left cabinet filter
Removes foreign materials from sucked air.
4
Paper exit filter
Deodorizes smell generated by the fusing unit.
POFM_F
POFM_F
POFM_R
POFM_R
PCSFM1
PCSFM1
PCSFM1
PCSFM2
PSFM
PSFM
PSFM2
PSFM2
OZFM
OZFM
FUFM
FUFM
FUFM
CAFM
MFPFM
MFPFM
MFPFM
LSUFM
RCFM
RCFM
CCFM
CCFM
2
4
1
3
MX-4101N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 16
O. PWB
NO
Name
Function/Operation
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.
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.
9
CCD PWB
Scans document images.
10
CL inverter PWB
Drives the xenon lamp.
32
20
9
12
25
24
24
23
27
1
3
4
17
33
20
26
13
14
15
16
31
5
10
11
6
7
22
21
2
28
19
29
30
8
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