User manual

95.08.23.11.30
Color LaserWriter 12/600 PS Basics & Theory 1–72
Mechanical drive is delivered to the toner carousel in three phases: the
rotation of the toner carousel itself, the press and separation of the toner
cartridge, and the rotation of the developing cylinder. This sequencing
is accomplished by varying the rotational direction of the toner carousel
motor and the switching of the toner carousel drive clutch (CL2). The
three phases are delivered from three separate points on the printer
drive assembly.
Mechanical Controller Board
PS4
PS3
CL1
Developing Motor Drive Signal
Developing Rotary Drive Signal
(/DEVON)
Developing Rotary
Brake Signal (/DEVBRK)
CL2
M3
Photosensitive
Drum
Carousel Position Detection Flag
(1 of 8)
Cartridge Position Detection Flag
Toner Carousel
Toner Cartridge Position
Sensor Signal (DEVCAM)
Carousel Position Sensor
Signal(DEVHP)
Toner Carousel
Motor
Toner Carousel
Clutch (CL2)
Carousel Rotation
Toner Cartridge Press/Separation
Developing Cylinder Rotation
Normal
Reverse
Normal
On
Off
Off