FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 MECHANICAL/ELECTRICAL
98.04.24
1174SBM1100A
11
DEVELOPMENT
The Developing Unit built into the Imaging Unit performs the following functions:
• Mixes the toner and carrier well to ensure that a sufficient amount of toner is positively
charged.
• Detects the toner-to-carrier ratio of the developer by means of the ATDC Sensor and
replenishes the supply of toner as necessary.
• Detects a toner empty condition by means of the ATDC Sensor.
• Ensures that a proper amount of toner is attracted to the PC Drum by means of its
Sleeve/Magnet Roller, Developing Bias, and Doctor Blade.
PC Drum
Sleeve/Magnet Roller
Developer Mixing Screw
Doctor Blade
Bucket Roller
M-33
1139M015AA
ATDC Sensor (UN3)