Konica Minolta magicolor 1690MF Service Manual - Page 114
Document transport/exit mechanism
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Auto Document Feeder Unit Theory of Operation Ver. 1.0 Nov. 2008 4. Mechanical operations 4.2 Document transport/exit mechanism 4.2.1 Document transport mechanism • The registration roller is rotated by the drive from the DF transport motor and transports the original that has been taken up to the document scanning position of the printer. • The DF transport motor drives the transport roller through a gear train. • Activation of the registration sensor establishes the document scan start timing. • eactivation of the registration sensor establishes the document scan end timing and tim- ing to de-energize the DF transport motor. DF transport motor (M100) Registration sensor Registration roll/1 Registration roller Registration roll/2 A0HFT2C510AA COMPOSITION/ OPERATION 7