Ricoh B245-62 Service Training page 49

There is no new PCU detection in this machine.
This is due to the PCU not being a user-
replaceable part.
Some of the components of the PCU 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 49
SP 2214 initializes both the TD sensor toner supply target voltage and the TD
sensor gain value.
Overview
49
B245-62 / PD-C4