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3. Printer Motor Drive Circuit
This Printer Motor is a Brushless DC Motor.
The Printer Motor is powered by +24 VDC supply. When the interlocks are open, the +24 VDC supply
is cut off and the Printer Motor stops rotating.
nMMON : When the signal level goes Low, the Printer Motor starts rotating.
nMMRDY : Rotation status signal for Printer Motor. When the Printer Motor reaches a con-
stant speed, nMMRDY signal level goes Low.
nMMCK : Clock signal for Printer Motor Drive
+5V
R639
Q605
+24VM
Q604
IC200
M
CN714
1
2
1
2
3
4
CN723
+24VM
DC Brushless
Motor
MGND
MGND
nMMON
nMMRDY
nMMCK