Ricoh D158 Service Manual page 278

Service Call Conditions
No.
Definition
ID sensor : Auto adjustment time-out (In-process) (D158/D159)
354 B
When the ID sensor is
adjusting Vsg automatically.
P sensor error (D158/D159)
SC350~354 happen during
355 D
normal operation. This error
isn't displayed on the panel
but is left in the error log.
TD sensor error (D158/D159)
Detected the following value
TD sensor output value <
389 D
0.2V
TD sensor output value >
4.0V
10 times in series.
D158/D159/D160/D161/D170
Symptom
5-14
Possible Cause

Defective ID sensor

Disconnection of the harness to the
ID sensor

Bad electrical contact of the ID
sensor connector

Defective BCU

Defective laser unit

Defective developer density

Defective high-voltage power pack

Dirty ID sensor

Defective ID sensor

Disconnection of the harness to the
ID sensor

Bad electrical contact of the ID
sensor connector

Defective BCU

Defective laser unit

Defective developer density

Defective high-voltage power pack

Dirty ID sensor

Defective TD sensor

Bad contact of the connector to the
TD sensor
SM