Sharp MX-4110N / MX-4111N / MX-4112N / MX-4110FN / MX-4111FN / MX-5110N / MX-5111N / MX-5112N / MX-5110FN / MX-5111FN (serv.man11) Service Manual ▷ View online
MX-5111N EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 16
L. Fans and filters
Signal name
Name
Function/Operation
CCFM
Process air inlet fan motor
Cools charger section of the process.
MFPFM
MFP cooling fan motor
Cools the controller PWB.
FUFM
Fusing fan motor
Cools the fusing unit and peripheral area.
LSUFM
LSU cooling fan motor
Cools the LSU section.
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_1
Paper exit cooling fan motor (F side)
Cools the fusing unit.
POFM_2
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 section cooling fan motor
Cools rear section of the main unit.
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
TN suction filter
Removes foreign materials from sucked air.
POFM_1
POFM_1
POFM_2
POFM_2
PCSFM1
PCSFM1
PCSFM1
PCSFM2
PSFM
PSFM
PSFM2
PSFM2
OZFM
OZFM
FUFM
FUFM
MFPFM
LSUFM
CCFM
CCFM
2
1
3
4
RCFM
RCFM
MFPFM
MX-5111N EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 17
M. 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
High voltage MC PWB
Generates the high voltage for the main charger and the developing bias voltage.
6
High voltage 1TC 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
Document detection light collector PWB
Outputs the document size detection signal.
11
Document detection light emitting PWB
Emits light for document size detection.
20
27
17
19
32
29
33
26
28
30
31
18
36
9
11
35
23
22
22
21
25
1
3
4
15
34
16
24
12
13
5
14
10
6
7
2
8
MX-5111N EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 18
N. Fuses/Thermostats
12
USB I/F PWB
USB I/F
13
KEY PWB
Outputs the key operation signal.
14
LVDS PWB
Converts the display data signal to the LCD display signal. Controls the touch panel.
15
HL PWB
Controls the heater lamp.
16
High voltage 2TC PWB
Generates the secondary transfer voltage, the transfer belt cleaning voltage and the pre-transfer voltage.
17
MFP control PWB
Controls the image-related items and controls all over the machine.
18
Mother PWB
Interfaces the MFP cnt PWB and other PWB.
19
PCU PWB
Controls the engine section.
20
PCU Flash ROM PWB
The ROM PWB that control the PCU PWB.
21
BD PWB
Detects laser and outputs the synchronous signal.
22
LSU PWB
Controls the LSU.
23
LSU thermistor
Measures the temperature in LSU.
24
DL PWB
Discharges electric charges on the OPC drum.
25
LD PWB
Controls laser lighting.
26
SD card memory
Stores the MFP PWB program data, the FAX image data, and the font data.
27
DIMM memory 1
Image memory for the MFP PWB
28
DIMM memory 2
Not used.
29
DIMM memory 3
Memory for the printer
30
DIMM memory 4
Memory for the XPS printer
31
Printer Flash memory
Stores the printer program data.
32
DSK Flash memory
Stores the DSK program data.
33
HDD
Stores the MFP PWB program data, the filing data, the e-manual data, the watermark data, the log data, and
the authentication data. Also used as a work memory.
the authentication data. Also used as a work memory.
34
Driver sub PWB
Drives the process motor and related sections.
35
LED DRIVER PWB
Drives the scanner lamp.
36
PCI AC interface PWB
Interfaces the AC PWB of the PCI.
Signal name
Name
Specifications
Section
TS LM
Thermostat
Fusing roller overheat protection
Fusing unit
TS UM
Thermostat
Fusing roller overheat protection
Fusing unit
TS US
Thermostat
Fusing roller overheat protection
Fusing unit
No.
Name
Function/Operation
TS LM
TS UM
TS US
10
13
11
12
3
2
1
4
5
5
6
7
7
9
8
MX-5111N EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 19
O. Roller
No.
Signal name
Name
Specifications
Section
1
F401
Fuse
T6.3AH 250V (100V/200V 41cpm machine)
DC power PWB
F301
Fuse
T6.3AH 250V (100V/200V 51cpm machine)
DC power PWB
2
F402
Fuse
T6.3AH 250V (100V/200V 41cpm machine)
DC power PWB
F302
Fuse
T6.3AH 250V (100V/200V 51cpm machine)
DC power PWB
3
F403
Fuse
T6.3AH 250V (100V/200V 41cpm machine)
DC power PWB
F303
Fuse
T6.3AH 250V (100V/200V 51cpm machine)
DC power PWB
4
F404
Fuse
T6.3AH 250V (100V/200V 41cpm machine)
DC power PWB
F304
Fuse
T6.3AH 250V (100V/200V 51cpm machine)
DC power PWB
5
F405
Fuse
T6.3AH 250V (100V/200V 41cpm machine)
DC power PWB
F305
Fuse
T6.3AH 250V (100V/200V 51cpm machine)
DC power PWB
6
F1
Fuse
20A 250V (100V 41cpm machine, 100V 51cpm machine) /
T10AH 250V (200V 41cpm machine, 200V 51cpm machine)
T10AH 250V (200V 41cpm machine, 200V 51cpm machine)
AC power PWB
7
F2
Fuse
T10AH 250V (200V only)
AC power PWB
8
F3
Fuse
T2AH 250V
AC power PWB
9
F4
Fuse
T2AH 250V (200V only)
AC power PWB
10
F001
Fuse
15A250V (100V 41cpm machine / T8AH 250V 41cpm machine)
DC power PWB
F601
Fuse
T12AH 250V (100V 51cpm machine / T8AH (200V 51cpm machine)
DC power PWB
11
F101
Fuse
T5AH 250V (100V 41cpm machine) / T2.5AH 250V (200V 41cpm machine)
DC power PWB
F501
Fuse
T2AH 250V (100V/200V 51cpm machine)
DC power PWB
12
F201
Fuse
T8AH 250V (100V 41cpm machine) / T4AH 250V (200V 41cpm machine) /
F5AH 250V (100V/200V 51cpm machine)
F5AH 250V (100V/200V 51cpm machine)
DC power PWB
13
F002
Fuse
T2AH 250V (100V 41cpm machine, 200V 41cpm machine)
DC power PWB
35
34
32 33
36
37
24
25
27
26
39
28
38
29
3
2
6
20
19
18
17
15
9
14
40
41
40
41
12
13
13
16
21
22
4
23
5
31
30
1
10
11
7
8
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