Chapter 1010-210.2 Basic Operation10.2.1 Picking Up and Moving Originals 0006-3651The ADF picks up and moves originals under the control of the CPU on the host machine's image processor PCBand using the drive of the ADF motor (M3).When the host machine's Start key is pressed, with an original placed in the original tray, the ADF motor starts torotate counterclockwise and the pickup roller moves down to move up the original stopper. At the same time, theoriginal pickup roller and the original separation roller start to rotate.When the original pickup roller and the original separation roller rotate, a single original is separated by the work ofthe original separation roller and the original separation pad, and its leading edge is detected by the registrationsensor. The original is then sent as far as the ADF registration roller; a specific period of time after the registrationsensor detects the leading edge, the ADF motor starts to rotate clockwise to move up the original pickup roller andmove down the original stopper.The ADF motor rotates clockwise to rotate the ADF registration roller, white roller, original feed roller, and originaldelivery roller to move and deliver the original.F-10-210.2.2 Moving Down the Original Pickup Roller and Moving Up theOriginal Stopper 0006-3746The original pickup roller is kept in up position during standby, thereby ensuring a gap used to accommodate a stackof originals. The original stopper is kept in down position during standby to prevent the original from sliding too farinside the machine when it is placed.When the ADF motor (M3) rotates counterclockwise to start original pickup operation, the drive of the timing beltmoves down the original pickup roller and, at the same time, the original stopper starts to move up, causing anoriginal to be picked up and sent inside the machine.ON when ADF motor rotates CCWON when ADF motor rotates CWOriginal stopper Original delivery rollerADF registration roller White roller Original feed rollerADF motorOriginalpickup roller Original separation roller
