M1 is a motor driven by 24V DC. It drives fixing
upper and lower rollers, paper conveyance belts,
and thick paper conveyance roller. M1 incorporates
a speed controller circuit to send a signal
indicating abnormal rotation to PRCB when the
PLL lock has been released for longer than the
specified period of time.
M1 starts rotating when the START PRINT button
is pressed and stops when the last copied
paper has been ejected. During the warm-up
operation, M1 rotates to rotate the fixing rollers.
When either one of the front doors of this machine
opens or closes, MS1 (interlock 1) or MS2
(interlock 2) actuates to stop supplying the DC
power to the motor, causing the M1 to stop.
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