Td Sensor - Ricoh D129 Service Manual

4.7.4 TD SENSOR

1. PCDU ( p.4-37)
2. Empty all developer from the development unit. (
3. Seal
4. TD sensor [A] ( x1)

The TD sensor is attached to the casing with double-sided tape [B]. Pry it off with
the flat head of a screwdriver. Use fresh double-sided tape to re-attach the sensor.
5. Pour new developer into the development unit and perform the TD sensor initial setting
using SP2-801.

When performing the TD sensor initial setting, cover the toner entrance hole with a
piece of paper.
SM
p.4-46 "Developer")
4-49
Development
D129/D130