Sharp AR-BC320 Service Manual page 97

Step 62: Document feed motor (DFM) reverses
direction.
(Resist rollers rotate.)
Original is sent to the transport section.
Step 63: Document exit sensor (DES) detects the
leading edge of the discharged original.
(DES output HIGH)
Step 64: Original timing sensor (TIMS) detects the
trailing edge of the original.
(TIMS output LOW)
Step 65: Document feed motor (DFM) OFF.
(Resist rollers stop.)
Step 66: Transport feed motor (DTM) OFF.
(Transport belt stops.)
Original stops.
Step 67: Copier mirror base scanning starts.
Step 68: Delivery motor (DEM) rpm decrease.
Step 69: Document exit sensor (DES) detects the
trailing edge of the discharged original.
(DES output LOW)
Original discharged.
Step 70: Delivery motor (DEM) OFF.
(Reverse roller stops.)
*B <EMPS output>
LOW (original in tray)
HIGH (no original in tray)
(Discharge)
Step 71: Transport motor (DTM) and delivery motor
(DEM) forward rotation.
(Transport belt and reverse roller rotate.)
Step 72: Reverse solenoid (DRSOL) ON.
(Flapper descends.)
Step 73: Document exit sensor (DES) detects leading
edge of original.
(DES output HIGH)
Step 74: The Documentleading edge of the original
advances in the reverse direction by means of
the flapper.
Go to step 22 (preliminary
feed).
After completion of mirror base
scanning, go to step 29.
AR-BC320 DESCRIPTIONS OF EACH SECTION 7 - 56
Step 62
Step 63
Step 64
Step 65
Step 66
Step 68
Step 69
Step 70
Step 71
Step 72
Step 73
Step 74