2. Controlling the Fixing Film MotorThe fixing film motor is a stepping motor, and is rotated by the drive signal FMD andpulse signals FFA, FFA*, FFB, and FFB*.When FMD is ‘1’, the drive voltage FFCA and FFBC are imposed; the motor startsto 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 6-109COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 6 FIXING SYSTEM6-10Microprocessor(Q314)FMDFFAFFA*FFBFFB*DC controller PCB+24VFFCA FFCBM4