Ricoh D109 Service Training page 42

Development roller
Mixing auger 2
Mixing Auger 1
TD sensor
Slide 42
Development-Overview
Two mixing augers mix the developer (carrier/toner mix). The TD (toner density)
sensor and the ID (image density) sensor (shown in a red circle) are used to
control the copy image density.
Development-Overview
42
S-C4L Training