Electrical Component Defects; Sensors - Ricoh C249 Service Manual

4.2 ELECTRICAL COMPONENT DEFECTS

4.2.1 SENSORS

Component
Master Eject Position (HP)
Sensor
Paper Exit Timing Sensor
Feed Start Timing Sensor
2nd Feed Timing Sensor
Pressure Plate Limit Sensor
Pressure Plate HP Sensor
Drum Master Sensor
Paper Exit Sensor
Master Eject Sensor
Clamper Open Sensor
Clamper Close Sensor
Table Lower Sensor
Platen Cover Sensor
Scanner HP Sensor
SM
ELECTRICAL COMPONENT DEFECTS
Condition
Open E-23 is displayed whenever the drum rotates.
Shorted
Open E-21 is displayed whenever the drum rotates.
Shorted
Open E-24 is displayed whenever the drum rotates.
Shorted
Open E-22 is displayed whenever the drum rotates.
Shorted
Open The "master eject" indicator is lit.
Shorted E-12 is displayed.
Open The "master eject" indicator is lit.
Shorted E-12 is displayed.
The "D" jam indicator is lit whenever a master
Open
is made.
Shorted
Open The "C" jam indicator is lit.
The "B" jam indicator is lit whenever a copy is
Shorted
made.
Open The "E" jam indicator is lit.
The "E" jam indicator is lit whenever a used
Shorted
master is ejected.
Open E-00 is displayed.
E-00 is displayed whenever the clamper
Shorted
operates.
E-00 is displayed whenever the clamper
Open
operates.
Shorted E-00 is displayed.
Open The paper table doesn't go down.
The paper table goes down below the sensor,
Shorted
and E-02 is displayed.
The master is made normally, even if the
Open
platen cover is open.
The image is treated using center/edge erase
Shorted
mode.
Open E-13 is displayed.
Shorted
4-3
Symptom
C264