Ricoh S-C4.5, Field Service Manual

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Sensor Connector Message Remarks
DF Original Set
Sensor
DF CN103 Paper jam -
Sensor (None) Originals are not detected.
DF Registration
Sensor
DF CN103
Paper jam
-
SN Originals are correctly transported.
Inverter Sensor
DF CN103 Paper jam -
SN (None) -
Exit Sensor
DF CN103
Paper jam
-
SN -
Front Door Switch
CN114 Right door open -
SW Front/Right door open
The message depends on which
circuit is open (white front; blue
right).
Right Door Switch
CN114 Right door open -
SW Right door open -
CNxxx: The connector on the BICU board.
DF CNxxx: The connector on the DF connection board.
SN: The connector on the sensor.
SW: The connector on the switch.
PCU: The connector on the PCU.
Blown Fuse Conditions
All of these fuses are on the power supply unit.
Fuse
Rating
At main switch ON
120 V 220 – 240 V
FU1 15A/125V 8A/250 V No response
FU2 5A/125V 2.5A/250V No response
6. Troubleshooting
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