Ricoh K-C3.5L Service Training page 44

There is no new PCU detection in this machine. This
is due to the PCU not being a user-replaceable part.
Some of the PCU components are replaced
individually at PM.
When a new PCU is installed, new developer must
also be installed and SP 2214 must be done to
reinitialize the TD sensor.
Slide 44
No additional notes.
Overview
44
Model K-C3.5L