Read Sharp AR-RF3 (serv.man2) Service Manual online
AR-RF3 MACHINE OPERATIONS 4 - 7
Step 23:
Resist sensor (REGS) detects leading edge of original.
(REGS output HIGH)
(REGS output HIGH)
Step 24:
Original contacts resist rollers and stops.
Document feed motor (DFM) OFF.
Document feed motor (DFM) OFF.
Step 25:
Document feed motor (DFM) reverse rotation.
(Resist rollers rotate.)
Leading edge of the original is taken up by the resist
rollers.
(Resist rollers rotate.)
Leading edge of the original is taken up by the resist
rollers.
Step 26:
Original timing sensor (TIMS) detects leading edge of
original.
(TIMS output HIGH)
original.
(TIMS output HIGH)
Step 27:
Document feed motor (DFM) OFF.
(The original is stopped with its leading edge taken up by
the resist rollers.)
(The original is stopped with its leading edge taken up by
the resist rollers.)
Step 28:
Copier mirror base scanning stops.
(Reverse)
Step 29:
Transport motor (DTM) and delivery motor (DEM)
forward rotation.
(Transport belt and reverse roller rotate.)
forward rotation.
(Transport belt and reverse roller rotate.)
Step 30:
Reverse solenoid (DRSOL) ON.
(Flapper descends.)
(Flapper descends.)
Step 31:
Document exit sensor (DES) detects leading edge of
original.
(DES output HIGH)
original.
(DES output HIGH)
Step 32:
The leading edge of the original advances in the reverse
direction by means of the flapper.
direction by means of the flapper.
Step 33:
Reverse sensor (DRS) detects the leading edge of the
original.
(DRS output HIGH)
original.
(DRS output HIGH)
Step 34:
Reverse solenoid (DRSOL) OFF.
(Flapper ascends.)
(Flapper ascends.)
Step 35:
Transport motor (DTM) OFF.
(Transport belt stops.)
(Transport belt stops.)
Step 23
Step 24
Step 25
Step 26
Step 27
Step 29
Step 30
Step 31
Step 32
Step 33
Step 34
Step 35
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