Ricoh B039 Service Manual page 232

6.9 DEVELOPMENT
6.9.1 OVERVIEW
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4
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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 the image density on the copy.
SM
B039D301.WMF
4. Mixing auger 1
5. Doctor blade
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DEVELOPMENT
1
2
B039/B040/B043