Theory of operation ver. 2.0 Nov. 2007
12.2 Drive
Photo conductor
A. Developing roller drive
• The developing roller is driven by the developing motor and intermediate gear.
• When the toner cartridge rack is stationery at the developing position, the developing
roller drive gear comes into mesh with the intermediate gear. The developing roller is
then rotated through the drive provided by the developing motor and intermediate gear.
Confidential – for internal use only, do not distribute
Main motor (M1)
Developing roller
Developing roller drive gear
Intermediate gear
Developing motor (M3)
12. Developing section
Developing motor (M3)
4139T2C517AA
4139T2C518AA
29