Lexmark T632 Service Manual - Page 156
Adjustment procedures, Duplex motor drive belt adjustment, Fuser solenoid adjustment
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4060-xxx Adjustment procedures Duplex motor drive belt adjustment Do the duplex motor belt and drive belt adjustment whenever you remove or replace the duplex motor or loosen the motor or drive belt idler pulley. Service tip: Excessive belt tension can result in stalling the duplex motor. Too little belt tension can result in belt slippage. To do the duplex drive belt adjustment: 1. Do the removal procedure "Duplex front cover door removal" on page 4-19 to access the drive belt idler pulley. 2. Loosen the idler pulley mounting screw and position the idler to provide 3 mm (±.5 mm) drive belt deflection. 3. Tighten the idler pulley mounting screw being careful to maintain the adjustment. 4. Reassemble the Duplex Option. To do the duplex motor belt adjustment: 1. Do the removal procedure "Duplex motor removal" on page 4-19 to access the motor mounting screws but do not remove the motor. 2. Loosen the screw in the elongated adjustment slot and position the motor to provide 3 mm (±.5 mm) motor belt deflection. 3. Tighten both mounting screws being careful to maintain the adjustment. 4. Reassemble the Duplex Option. Fuser solenoid adjustment Perform the fuser solenoid adjustment whenever you replace the fuser solenoid. Adjust the fuser solenoid while installed in the printer. Adjust the screw on the eccentric mounted on the solenoid housing to provide an air gap between the rear of the solenoid stator and the solenoid armature. The solenoid air gap for all models is 4.5 mm ± 0.1 mm. 4-2 Service Manual