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PTM 2-34 B070/B071
2.4.5 POLYGON MIRROR MOTOR
The polygon mirror reflects the laser beam onto the OPC drum to expose the image
line by line in the main scan direction. The polygon mirror motor rotates at a constant
speed, even while the copier is in standby mode, but shuts off when the copier enters
the energy conservation mode.
The polygon mirror motor has no brake mechanism, so it requires about 3 minutes to
stop rotating. Before moving the machine or before servicing the motor or the area
around the polygon mirror motor, you should switch off the copier main power switch,
disconnect the machine, and wait at least three minutes for the motor to stop rotating.
NOTE: The polygon mirror motor requires about 10 seconds to reach full speed after
the machine awakes from the energy conservation mode, or after the machine
is switched from the normal mode to low speed mode for printing on thick
paper. The machine cannot print during this 10 second interval until it reaches
full rotation speed.