Switches - Ricoh Aficio MP 1600L2 Field Service Manual

Component
Original Width
Original Length
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
CN Condition
Open
103-3,4
(BICU)
Shorted
Open
103-8,9
(BICU)
Shorted
Open
222-2
(DCB)
Shorted
Open
222-5
(DCB)
Shorted
Open
220-6
(DCB)
Shorted
CN Condition
115- Open
1,2,4
Shorted
(BICU)
Electrical Component Defects
Symptom
The CPU cannot detect the original size properly.
APS and Auto Reduce/Enlarge do not function
correctly.
The CPU cannot detect the original size properly.
APS and Auto Reduce/Enlarge do 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.
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