Ricoh D017 Service Manual page 386

389 C TD sensor error 1
TD sensor output was less than 0.5V, or more than 0.5V 10 times in
succession. If the fax unit is installed, this SC is issued immediately. If the
fax unit is not installed, this SC is issued after the prescribed number of
copies has printed.
390 D TD sensor error 2
The TD sensor outputs less than 0.5V or more than 4.0V 10 times
consecutively during copying.
Note: If the fax option is installed, this SC is issued immediately.
If the fax option is not installed, this SC is issued after the prescribed
number of pages is copied.
TD sensor abnormal
Poor connection of the PCU
391 B Development bias leak
A development bias leak
signal is detected.
392 B TD sensor initial setting error
Initialization of the new PCU
unit failed (the drum and
development roller did not
start rotating).
398 B PCU error (South Korea only)
Illegal PCU unit.
SM Appendix
Poor connection at the PCU bias
terminal
High voltage supply board defective
The PCU toner seal was not removed
ID sensor harness loose, broken
TD sensor harness loose, broken
ID sensor defective
TD sensor defective
Install the correct type of PCU.
3-11 D017/D018/D019/D020/D084/D085
Service Call Conditions