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REVERSING AUTOMATIC DOCUMENT FEEDER (RADF)
15 - 4
15.3.2 Drive
4 stepping motors are used for driving the Reversing Automatic Document Feeder. Each motor rotates
in order to drive the roller.
Fig. 15-3
Motor Rotation Roller Remarks
Original feed motor (MR1) Normal rotation Pickup roller
Feed roller
Feeding
Reverse rotation Registration roller
Read motor (MR2) Normal rotation Intermediate transport
roller
Reading start roller
Reading end roller
Reverse registration roller
Original reverse motor (MR3) Normal rotation /
Reverse rotation
Reverse roller
Original exit motor (MR4) Normal rotation /
Reverse rotation
Exit intermediate roller
Exit/reverse roller
Exit roller
Normal rotation: Front
side exiting
Reverse rotation:
Backside exiting
Read motor
Original feed motor
Original exit motor
Original reverse motor
Pickup roller
Feed roller
Separation roller
Exit roller
Intermediate transport
roller
Reverse registration roller
Original registration roller
Reading start roller
Reading end roller
Exit intermediate roller
Exit/reverse roller
Reverse roller