Adjustment Procedures; Duplex Motor Drive Belt Adjustment; Fuser Solenoid Adjustment - Lexmark 632n - T B/W Laser Printer Service Manual

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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
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
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
"Duplex front cover door removal" on page 4-19
"Duplex motor removal" on page 4-19
to access the
to access the motor