Sharp AR-RF3 (serv.man2) Service Manual ▷ View online
AR-RF3 MACHINE OPERATIONS 4 - 6
Step 10:
Document feed motor (DFM) reverses direction.
(Resist rollers rotate.)
The leading edge of the original is taken up by the resist
rollers.
(Resist rollers rotate.)
The leading edge of the original is taken up by the resist
rollers.
Step 11:
Original timing sensor (TIMS) detects leading edge of
original.
(TIMS output HIGH)
original.
(TIMS output HIGH)
Step 12:
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.)
*A
Step 13:
Document exit sensor (DES) detects trailing edge of
discharged original.
(DES output LOW)
discharged original.
(DES output LOW)
*A
Step 14:
Original is discharged.
Step 15:
Transport motor (DTM) and delivery motor (DEM) OFF.
(Transport belt and reverse roller stop.)
(Transport belt and reverse roller stop.)
(Duplex feed)
Step 16:
Transport motor (DTM) forward rotation.
(Transport belt rotates.)
(Transport belt rotates.)
Step 17:
Document feed motor (DFM) reverse rotation.
(Resist rollers rotate.)
The original is sent to the transport section.
(Resist rollers rotate.)
The original is sent to the transport section.
Step 18:
Original timing sensor (TIMS) detects trailing edge of
original.
(TIMS output LOW)
original.
(TIMS output LOW)
Step 19:
Document feed motor (DFM) OFF.
(Resist rollers stop.)
(Resist rollers stop.)
Step 20:
Transport motor (DTM) OFF.
(Transport belt stops.)
Original stops.
(Transport belt stops.)
Original stops.
Step 21:
Copier mirror base scanning starts.
*B
<EMPS output>
HIGH (no original in tray)
→
After completion of mirror base scanning,
go to step 29.
go to step 29.
LOW (original is in tray)
→
Continue as follows.
(Preliminary feed)
Step 22:
Document feed motor (DFM) reverse rotation.
(Pickup roller and document feed roller rotate.)
Original stopper is released, and the original feed is
started.
(Pickup roller and document feed roller rotate.)
Original stopper is released, and the original feed is
started.
Step 10
Step 11
Step 12
Step 13
Step 14
Step 15
Step 16
Step 17
Step 18
Step 19
Step 20
Step 22
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
AR-RF3 MACHINE OPERATIONS 4 - 8
Step 36:
Delivery motor (DEM) OFF.
(Reverse roller stops.)
(Reverse roller stops.)
Step 37:
Transport motor (DTM) reverses direction.
(Transport belt rotates.)
(Transport belt rotates.)
Step 38:
Delivery motor (DEM) forward rotation.
(Reverse roller rotates.)
Original is transported toward the paper feed section.
(Reverse roller rotates.)
Original is transported toward the paper feed section.
Step 39:
Document exit sensor (DES) detects trailing edge of
reversed original.
(DES output LOW)
reversed original.
(DES output LOW)
Step 40:
Reverse sensor (DRS) detects trailing edge of reversed
original.
(DRS output LOW)
original.
(DRS output LOW)
Step 41:
Delivery motor (DEM) OFF.
(Reverse roller stops.)
(Reverse roller stops.)
Step 42:
Transport motor (DTM) OFF.
(Transport belt stops.)
Halts once short of original stop position.
(Transport belt stops.)
Halts once short of original stop position.
Step 43:
Transport motor (DTM) forward rotation (low speed).
(Transport belt low-speed rotation.)
(Transport belt low-speed rotation.)
Step 44:
Transport motor (DTM) OFF.
(Transport belt stops.)
Original stops.
(Transport belt stops.)
Original stops.
Step 45:
Copier mirror base scanning starts.
Step 46:
Copier mirror base scanning stops.
*C
<First-out original>
NONE
→
After completion of mirror base scanning, go to step 71.
YES
→
Continue as follows:
Step 47:
Transport motor (DTM) and delivery motor (DEM)
forward rotation.
(Transport belt and reverse roller rotate.)
forward rotation.
(Transport belt and reverse roller rotate.)
Step 48:
Reverse solenoid (DRSOL) ON.
(Flapper descends.)
(Flapper descends.)
Step 49:
Document exit sensor (DES) detects leading edge of
original.
(DES output HIGH)
original.
(DES output HIGH)
Step 36
Step 37
Step 38
Step 39
Step 40
Step 41
Step 42
Step 43
Step 44
Step 47
Step 48
Step 49
AR-RF3 MACHINE OPERATIONS 4 - 9
Step 50:
The leading edge of the original advances in the
reverse direction by means of the flapper.
reverse direction by means of the flapper.
Step 51:
Reverse sensor (DRS) detects the leading edge of the
original.
(DRS output HIGH)
original.
(DRS output HIGH)
Step 52:
Reverse solenoid (DRSOL) OFF.
(Flapper ascends.)
(Flapper ascends.)
Step 53:
Transport motor (DTM) OFF.
(Transport belt stops.)
(Transport belt stops.)
Step 54:
Delivery motor (DEM) OFF.
(Reverse roller stops.)
(Reverse roller stops.)
Step 55:
Transport motor (DTM) reverses direction.
(Transport belt rotates.)
(Transport belt rotates.)
Step 56:
Delivery motor (DEM) forward rotation.
(Reverse roller rotates.)
Original is transported toward the paper feed section.
(Reverse roller rotates.)
Original is transported toward the paper feed section.
Step 57:
Document exit sensor (DES) detects the trailing edge of
the reversed original.
(DES output LOW)
the reversed original.
(DES output LOW)
Step 58:
Reverse sensor (DRS) detects trailing edge of the
reversed original.
(DRS output LOW)
reversed original.
(DRS output LOW)
Step 59:
Delivery motor (DEM) OFF.
(Reverse roller stops.)
(Reverse roller stops.)
Step 60:
Transport motor (DTM) OFF.
(Transport belt stops.)
(Transport belt stops.)
Step 61:
Transport motor (DTM) and delivery motor (DEM)
forward rotation.
(Transport belt and reverse roller rotate.)
Original discharge starts.
forward rotation.
(Transport belt and reverse roller rotate.)
Original discharge starts.
Step 50
Step 51
Step 52
Step 53
Step 54
Step 55
Step 56
Step 57
Step 58
Step 59
Step 60
Step 61
Click on the first or last page to see other AR-RF3 (serv.man2) service manuals if exist.