Motors The product has eight motors for paper feed and image formation. The DC controller determines a motor failure if a motor does not reach a specified speed within a specified period after motor startup or if the rotational speed is outside a specified range for a specified period.` Figure 1-4 Motors Drum motor (M2) Developing motor (M3) Fuser motor (M4) ITB motor (M1) Developing disengagement motor (M6) Pickup motor (M5) Cassette lifter motor (M9) Scanner motor (M10) ENWW Engine-control system 11