Read Sharp MX-6240N / MX-7040N (serv.man23) Service Manual online
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
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