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2. Controlling the Fixing Film Motor
The fixing film motor is a stepping motor, and is rotated by the drive signal FMD and
pulse signals FFA, FFA*, FFB, and FFB*.
When FMD is ‘1’, the drive voltage FFCA and FFBC are imposed; the motor starts
to rotate when pulses are applied to each phase in specific sequence.
The motor is rotated in reverse by applying these pulses in reverse order.
Figure 6-109
COPYRIGHT
©
1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 6 FIXING SYSTEM
6-10
Microprocessor
(Q314)
FMD
FFA
FFA*
FFB
FFB*
DC controller PCB
+24V
FFCA FFCB
M4