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Motors
The DC Controller controls the Exhaust Fan, the Main Motor,
and the Laser/Scanner Motor. The remaining motors and
solenoids are controlled by State Machines on the motor’s
assembly. The condition of these motors and solenoids is
monitored by the DC Controller through serial data lines.
The Main Motor (M1) rotates after any printer door is opened and
closed, during the Warm-up period, the Initial Rotation period,
the Print period, or the Last Rotation Period. The Scanner Motor
(M5) is controlled and monitored by the DC Controller PCA. M5
operates during the Initial Rotation period, the Print period, and
the Last Rotation period.
The Paper Feed Assembly Drive Motor (M2) runs during the
Print Period. This motor provides the drive to pick paper from the
PC tray, and deliver it to the Input/Registration Sensor (PS1).
The LC Assembly Motor (M3) provides the drive to pick paper
from the optional 500-sheet Lower Cassette, and deliver it to the
Input/Registration Sensor (PS1). M3 is mounted on the 500-sheet
Lower Cassette. The Envelope Feeder Drive Motor (M4) provides
the drive to pick envelopes from the envelope feeder and deliver
them to the Input/Registration Sensor (PS1). M4 is mounted on
the optional Envelope Feeder.
The Exhaust Fan Motor (FM1) is controlled and monitored by the
DC Controller PCA. The Exhaust Fan Motor operates at
low-speed during the Warm-up period, Standby period, and
during PowerSave. It operates at high-speed during the Initial
Rotation period, the Print period, and the Last Rotation period.
The Paper Feed Assembly Motor (M2) is controlled by the Paper
Control PCA. The Paper Feed Assembly Motor drives the pickup
rollers through SL1 and SL2. These rollers pick media from
either the PC tray (Tray 2) or the MP tray (Tray 1), and deliver
the media to the Paper Registration Sensor (PS1).
5-10 Functional Overview