Read Sharp MX-1800N (serv.man13) Service Manual online
MX-1800N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 12
L. Fans and filters
Signal name
Name
Function/Operation
Note
CPUFM
Controller cooling fan motor
Cools the controller PWB.
HDDFM
HDD cooling fan motor
Cools the HDD.
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.
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
HDDFM
2
3
CPUFM
POFM_F
POFM_R
PSFM
OZFM
1
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