Konica Minolta Bizhub 501 Service Manual page 153

5. OPERATION
B. Operation flow in the 2-sided mode
1. When the Start key is pressed, the Original Feed Motor (M1) starts turning backward,
causing the Pick-Up Roller to lower and start feeding the 1st page of the document.
A specified period of time after the leading edge of the original turns ON the Original
Detection Sensor (PS8) [4], the scanning of the 1st side of the original starts.
The Original Conveyance Motor (M2) is deenergized to stop [1] the original after the
lapse of a given period of time after the trailing edge of the 1st page has deactivated
the Original Exit Sensor (PS10) [2].
[4]
[3]
[2]
[1] Stop
[2] Original Exit Sensor (PS10)
2. M2 is turned backward to turn over [3] the original. After the Registration Roller, M2 is
turned forward to allow the Scanner to scan the backside of the 1st page.
3. After the conveyance sequence for turnover has been started, the Pressure Roller
Release Solenoid (SD1) is energized so that the Exit/Turnover Roller is retracted.
[3]
[2]
[1] Stop
[2] Scanning the 2nd side
10
Theory of Operation Ver.1.0 May. 2008
[1]
[3] Scanning the 1st side
[4] Original Detection Sensor (PS8)
[1]
[3] Turnover
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