Lexmark X7500 Service Manual - Page 18

4036-501 Mechanical Drive Mechanical drive describes both the rotation of the motor and the action of the gears, belts, and clutches that are used to transmit and control drive to the various components throughout the DADF. The major purpose of the drive is to provide the dynamic energy required for the paper conveyance throughout the DADF. The registration roll drive motor provides the rotation power with the center gear of the frame assembly through the belt (6 mm). The center gear of the frame assembly delivers the rotation power to the gear (23T/48T) through the belt (6 mm). With the rotation of the gear (23T/48T), the rotation power is distributed to the gears of the registration roll gear and the pick 2 roller assembly respectively. The DADF pick up clutch distributes the drive power to the pick up gear when activated, and then the power is delivered to the roller engagement shaft assembly. The DADF large roll drive assembly provides the rotation power with the each gear of the large roll drive motor assembly through the belt (6 mm) and the belt (4 mm). The drive power is delivered to the pulley 1 through the belt (6 mm) when the DADF large roll clutch is actuated, and also to the large gear through the belt (6 mm). The further drive power is delivered to the gear of the exit/reverse roll through the belt (4 mm) when the exit/ reverse clutch is actuated. 1-8 Service Manual