Sharp MX-C380P / MX-C400P / MX-B380P / MX-B382P / MX-B400P (serv.man6) Service Manual ▷ View online
MX-C400P/C380P, MX-B400P/B380P/B382P EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 18
B. MX-B382P
Signal name
Name
Type
Function/Operation
CCFT
LCD back-light
CCFT cool cathode ray tube
Back-light for the LCD
DL_K
Discharge lamp K
LED
Discharges electric charges on the OPC drum.
HL_UA
Upper heater lamp
Halogen lamp
Heats the upper heat roller. (all)
HL_UM
Upper heater lamp
Halogen lamp
Heats the upper heat roller. (main)
1
CCFT
DL_K
HL_UM
HL_UA
: ’11/Mar/15
1
MX-C400P/C380P, MX-B400P/B380P/B382P EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 19
10. Fans and filter
Signal name
Name
Function/Operation
FUFM
Fusing cooling fan motor
Cools the fusing unit.
HDDFM
HDD cooling fan motor
Cools the HDD.
LSUFM
LSU cooling fan motor
Cools the LSU.
POFM
Paper exit cooling fan motor
Cools the paper exit section.
PROFM1
Process fan motor 1
Cools the process section.
PROFM2
Process fan motor 2
Exhausts ozone.
PSFM
Power PWB cooling fan motor
Cools the power PWB.
No.
Name
Function/Operation
1
Ozone filter
Absorbs ozone generated in the image process section.
POFM
FUFM
PSFM
LSUFM
PROFM1
PROFM2
HDDFM
1
1
: ’11/Mar/15
1
MX-C400P/C380P, MX-B400P/B380P/B382P EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 20
11. PWB
A. MX-C400P/C380P/B400P/B380P
No.
Name
Function/Operation
1
OPU-P PWB
Outputs the key operation signal.
2
OPU control PWB
Control the operation panel section. (Key and Display)
3
PCU PWB
Controls the engine section.
4
DV initial PWB
Detects the DV model.
5
MFPC PWB
Controls images and the whole machine.
6
LD PWB
Controls laser lighting.
7
BD PWB
Detects laser and outputs the synchronous signal.
8
AC/DC power PWB
Controls the primary side power source and outputs the secondary side voltage.
9
Paper size detection PWB
Detects the paper size in the tray 1.
10
MC PWB
Generates the high voltage for the main charger and the developing bias voltage.
11
DV initial PWB
Detects the DV model.
12
DV initial PWB
Detects the DV model.
13
DV initial PWB
Detects the DV model.
14
LSU MOTHER PWB
Controls the LSU. Interfaces the MFPC PWB and PCU PWB.
15
HL PWB
Controls the heater lamp.
16
TC PWB
Generates each transfer voltage and separation voltage.
9
5
4
6
8
7
3
15
16
14
10
11
12
13
1
2
MX-C400P/C380P, MX-B400P/B380P/B382P EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 21
B. MX-B382P
No.
Name
Function/Operation
1
OPU-P PWB
Outputs the key operation signal.
2
OPU control PWB
Converts the display signal and output to the LCD.
3
PCU PWB
Controls the engine section.
4
MFPC PWB
Controls images and the whole machine.
5
LD PWB
Controls laser lighting.
6
BD PWB
Detects laser and outputs the synchronous signal.
7
AC/DC power PWB
Controls the primary side power source and outputs the secondary side voltage.
8
Paper size detection PWB
Detects the paper size in the tray 1.
9
MC PWB
Generates the high voltage for the main charger and the developing bias voltage.
10
DV initial PWB
Detects the DV model.
11
LSU MOTHER PWB
Controls the LSU. Interfaces the MFPC PWB and PCU PWB.
12
HL PWB
Controls the heater lamp.
13
TC PWB
Generates each transfer voltage and separation voltage.
14
WH PWB
Controls the dehumidification heater ON/OFF.
1
8
14
4
5
5
7
6
3
12
13
11
10
1
2
9
: ’11/Mar/15
1
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