Konica Minolta magicolor 1690MF Service Manual - Page 67
Developing Roller drive, Developing bias
View all Konica Minolta magicolor 1690MF manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 67 highlights
magicolor 1680MF magicolor 1690MF 12. Developing section Theory of Operation Ver. 1.0 Nov. 2008 12.3.3 Developing Roller drive • The developing roller is driven by the Developing motor (M3) 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 (M3) and Intermediate gear. Intermediate gear Developing roller Developing roller drive gear Developing motor (M3) A034T2C522AA 12.3.4 Developing bias • The developing bias voltage (Vb) is applied to the developing roller so that an adequate amount of toner is attracted onto the surface of the photo conductor. • The developing bias voltage (Vb) is supplied by the High voltage unit (HV). • The developing bias voltage is applied to the developing roller via the supply roller. • The developing bias voltage is also applied to the doctor blade. • The developing bias voltage is turned ON at the same time that the developing motor is energized and turned OFF at the same time that the developing motor is deenergized. COMPOSITION/ OPERATION Developing bias A034T2C556AA 40