Ricoh B089 Service Manual page 92

DEVELOPMENT
2.7 DEVELOPMENT
2.7.1 OVERVIEW
4
The development unit consists of the following parts.
1. Development roller
2. Mixing auger 2
3. TD sensor
This machine uses a single-roller development system. Two mixing augers mix the
developer. The toner density (TD) sensor and image density (ID) sensor (see the
illustration in the PCU section) are used to control toner density.
B089/B093
5
3
2
B027D301.WMF
4. Mixing auger 1
5. Doctor blade
2-32
1
SM