Read Sharp MX-6500N / MX-7500N (serv.man27) Service Manual online
MX-7500N OPERATIONAL DESCRIPTIONS 13 – 51
Signal name
Name
Function/Operation
ADUFM_F
ADU transport cooling fan motor F
Cools the ADU transport path.
ADUFM_R
ADU transport cooling fan motor R
ADUGS
ADU gate solenoid
Controls the ADU gate.
ADUM1
ADU motor lower
Drive the transport roller 19, 20 and the paper exit roller 2.
ADUM2
ADU motor upper
Drive the transport roller 21, 22.
APPD1
ADU paper pass detector 1
Detects paper pass in the upstream of the duplex (ADU).
APPD2
ADU paper pass detector 2
Detects paper pass in the midstream of the duplex (ADU).
DSW_ADU
ADU open/close detector
Detects open/close of the duplex (ADU) cover.
FPRFM_F
Fusing pressure roller cooling fan motor F
Cools the fusing pressure roller.
FPRFM_R
Fusing pressure roller cooling fan motor R
POD3
Right paper exit detector
Detects the paper exit into the right tray.
PRTPD
Paper exit tray paper detector (Right paper exit tray)
Detects paper empty in the paper exit tray (Right paper exit tray).
TFD3
Paper exit tray full detector (Right paper exit tray)
Detects the right tray paper exit full.
No.
Name
Function/Operation
1
Transport roller 20 (Drive)
Transports paper transported from the transport roller 19 to the transport roller 21.
2
Transport roller 21 (Drive)
Transports paper transported from the transport roller 20 to the transport roller 22.
3
Transport roller 22 (Drive)
Transports paper transported from the transport roller 21 to the transport roller 16.
4
Paper exit roller 2 (Drive)
Discharges paper to the right paper exit section.
5
Transport roller 19 (Drive)
Transports paper to the right paper exit section or the ADU section.
6
Paper exit gate (ADU gate)
Selects the paper path: to transport paper to the ADU section or to the right tray.
7
Reverse gate
Discharges paper to the reverse gate right tray or selects the switchback transport path to
the ADU section.
the ADU section.
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