Ricoh D158 - Page 283

Service Call Conditions
D158/D159/D160/D161/D170 5-19 SM
Trouble-
shooting
No.
Definition
Symptom Possible Cause
508 C
By-pass bottom plate error
The signal from the by-pass
tray HP sensor does not
change for 1.0 second after
the by-pass motor has
rotated counterclockwise. If
this condition occurs three
consecutive times, the SC is
generated.
 Disconnect or defective harness of
the by-pass motor
 Defective or disconnected
connection for the by-pass motor.
520 C
Registration motor error
When the registration motor
is rotating
 Motor lock
 Defective motor driver
521
-01
-11
C
Bank transport motor error (D158/D159)
An error code is issued from
the paper bank unit.
 Defective bank transport motor
 Loose connection
 Disconnected or broken harness
 Defective bank controller board
521 C
Bank transport motor error (D160/D161/D170)
The error code occurs when
the optional paper tray unit
(D698) is installed.
 Defective bank transport motor
 Loose connection
 Defective bank controller board
530 B Fusing fan error (D158/D159)
531 B QSU fan error (D158/D159)