Sharp MX-6240N / MX-7040N (serv.man23) Service Manual ▷ View online
MX-7040N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 17
11. Gates
No.
Name
Function/Operation
1
Reverse gate
Discharges paper to the right tray or selects the switch-back transport route to the ADU section.
2
Paper exit gate (ADU gate)
Selects the paper path: to transport paper to the ADU section or to the right tray.
1
2
MX-7040N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 18
12. Heater
*: Option
Signal name
Name
Function/Operation
WH_CS3 *
Paper dehumidifying heater
(Paper feed tray 4)
(Paper feed tray 4)
Dehumidifies the paper feed tray section to prevent paper from absorbing humidity which causes
degraded image quality and paper jams.
degraded image quality and paper jams.
WH_LSU
LSU heat-retention heater
Dehumidifies the LSU section to prevent it from dew condensation.
WH_S1
Scanner heat-retention heater
Dehumidifies the scanner section to prevent it from dew condensation.
WH_TND *
Paper dehumidifying heater
(Paper feed tray 1, 2)
(Paper feed tray 1, 2)
Dehumidifies the paper feed tray section to prevent paper from absorbing humidity which causes
degraded image quality and paper jams.
degraded image quality and paper jams.
WH_LSU
WH_S1
WH_TND
WH_CS3
WH_CS3
MX-7040N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 19
13. Fans
Signal name
Name
Function/Operation
ADUFM_F
ADU cooling fan (F)
Cools the ADU paper transport section.
ADUFM_R
ADU cooling fan (R)
Cools the ADU paper transport section.
CLFM
Scanner cooling fan
Cools the scanner section.
FPRFM_F
Fusing cooling fan (F)
Cools the fusing section and the paper exit section.
FPRFM_R
Fusing cooling fan (R)
Cools the fusing section and the paper exit section.
FUFM
Fusing cooling fan
Cools the fusing section.
HDDFM
HDD cooling fan
Cools the HDD.
LSUFM
LSU cooling fan
Cools the LSU.
MFPFM
MFP cooling fan
Cools the surrounding of the MFP PWB.
OZFM1
Ozone fan motor 1
Discharges ozone generated in the process section.
OZFM2
Ozone fan motor 2
Discharges ozone generated in the process section.
OZFM3
Ozone fan motor 3
Discharges ozone generated in the process section.
POFM_EX
Paper exit cooling fan
Cools the fusing section and the paper exit section.
POFM_F
Paper exit cooling fan (F)
Cools the fusing section and the paper exit section.
POFM_R
Paper exit cooling fan (R)
Cools the fusing section and the paper exit section.
PSFM1
Power cooling fan 1
Cools the power unit.
PSFM2
Power cooling fan 2
Cools the power unit.
SPSFAN
Sub DC power cooling fan
Cools the sub DC power.
TBFM
Toner bottle cooling fan motor
Toner cooling fan motor
VFM_R
Machine ventilation fan
Ventilates air in the machine.
POFM_F
POFM_R
POFM_EX
FUFM
OZFM3
VFM_R
LSUFM
CLFM
TBFM
HDDFM
MFPFM
OZFM2
OZFM1
SPSFAN
PSFM1
PSFM2
ADUFM_R
ADUFM_F
FPRFM_F
FPRFM_R
MX-7040N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 20
14. Filter
No.
Name
Function/Operation
1
Toner filter
Prevents toner from splashing from the DV unit.
2
Ozone filter
Absorbs ozone generated in the image process section.
3
Toner filter
Absorbs floating toner in the image process section.
4
Deodorant filter
Absorbs odor generated in the fusing section.
3
2
4
1
1
1
1
Click on the first or last page to see other MX-6240N / MX-7040N (serv.man23) service manuals if exist.