Switches - Ricoh K-C3 Service Manual

B245/B276/B277/B268/B269 Service Manual
Component
Duplex Entrance
Duplex Exit
Duplex Inverter
SC392 is activated when the CPU detects an ID sensor error during developer
initialization (SP 2214). However, SC392 is not displayed on the LCD but simply
logged in the SC log (SMC printout), unless the technician exits SP Mode as soon as
an error message is displayed.

Switches

Component
Upper Paper Size
Vertical Transport Door
Lower Paper Size
CN Condition
Open
222-2
(DCB)
Shorted
Open
222-5
(DCB)
Shorted
Open
220-6
(DCB)
Shorted
CN Condition
115- Open
1,2,4
Shorted
(BICU)
Open
110-5
(BICU)
Shorted
113- Open
1,2,4
Shorted
(BICU)
Symptom
not function correctly.
The Paper Jam message will appear
whenever a duplex copy is made (paper
has not reached the sensor).
The Paper Jam message appears even if
there is no paper at the sensor.
The Paper Jam message will appear
whenever a duplex copy is made (paper
has not reached the sensor).
The Paper Jam message appears even if
there is no paper at the sensor.
The Paper Jam message will appear
whenever a duplex copy is made (paper
has not reached the sensor).
The Paper Jam message appears even if
there is no paper at the sensor.
Symptom
The CPU cannot detect the proper paper
size, and misfeeds may occur when a
copy is made from the 1st paper tray.
The Cover Open indicator is lit even if the
vertical transport door is closed.
The Cover Open indicator is not lit even if
the vertical transport door is opened.
The CPU cannot detect the proper paper
size, and misfeeds may occur when a
copy is made from the 2nd paper tray.
18-Jan-06
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