Konica Minolta magicolor 1690MF Service Manual - Page 89
Paper feed control, Pick-up/separation control, Double feed prevention mechanism, Remaining media
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magicolor 1680MF magicolor 1690MF 16. Media feed section Theory of Operation Ver. 1.0 Nov. 2008 16.3.2 Paper feed control A. Pick-up/separation control • When the Tray 1 media feed solenoid (SD1) is energized, drive from the Transport motor (M1) is transmitted to the pick-up roller via the paper pick-up clutch and the pick-up roller is rotated. 16.3.3 Double feed prevention mechanism • The fixed separation pad system plus the claw stoppers are used for media separation. This ensures that only the first sheet of media is taken up and fed in. Media feed roller Separation pad Claw stoppers A034T2C583AA 16.3.4 Remaining media detection control A. Media empty detection • The machine is not provided with any paper empty sensor. • A media empty/misfeed condition is detected if the Registration sensor is not activated after the lapse of a predetermined period of time after a media feed sequence is started. Registration sensor (PS2) COMPOSITION/ OPERATION A034T2C545AA 62