Product Overview 
D086/D087 1-4  SM 
1.2.3 DRIVE LAYOUT 
 
 
1. Scanner motor:  Drives the scanner unit. 
2. Toner supply clutch-K and 
-CMY: 
Turns on/off the drive power to the toner supply unit (K 
and -CMY). 
3.ITB (Image Transfer Belt) 
contact motor: 
Moves the ITB into contact and away from the color 
PCUs. 
4. Toner transport motor: 
Drives the toner attraction pumps and the toner 
collection coils from the PCUs, from the transfer belt 
unit, and inside the toner collection bottle. Also rotates 
the toner bottles. 
5. Development clutch (K, Y, M, 
C): 
Turns on/off the drive power to the development unit 
(K, Y, M, C). 
6. Drum/Development drive 
motor (K, Y, M, C) 
Drives the color drum unit and development unit (K, Y, 
M, C).