6. Operating Sequence
6.2.2
When the pre-start control is provided
Start key
ON
Polygon
Motor
Main
Motor
Paper Take-Up
Solenoid
/S1
Drum Charge
Output
Exposure
Output
Developing
Output
Image
Transfer
Output
6.3
Print End Sequence
PS3
ON
Polygon
ON
Motor
Main
ON
Motor
Drum
Charge
Output
Laser
Unexposed area
Output
illumination
ON
Developing
Output
Image
Transfer
Output
18
Drum charge DC
Drum charge DC
Charge
Negative output
DC
Substantially entire sur-
face exposure
Reverse bias
Negative
Positive
Theory of Operation Ver. 1.0 Apr. 2005
Reverse bias
Unexposed area illumination
Charge
Negative
ON
Unexposed area
output
4980M017AB
AC
4980M014AA