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3: Operation
Colorwriter LSR 2000 Printer
Service Guide
3-65
When the front door is closed, the back panel of the door lifts the
stopper and pushes in the knob, releasing the developing rotary
gear.
Figure 3-50
Rotary stopper
Developing rotary rotational position detection
The rotational position of the developing rotary is detected by the
developing rotary position sensor (PS4) by monitoring the number
of passing rotational position flags. The eight rotational position
flags include the home position flag (also serves as a magenta
cartridge fetch position flag), the other 3 colors fetch position flags
and the stop position flag for each color.
When PS4 detects a flag, the developing rotary position sensor
signal (DEVHP) is set to “H.” The CPU on the mechanical
controller recognizes which flag (the home position flag, stop
Stopper