Switches - Ricoh B039 Service Manual

Component CN
Image Density
326-2
(IOB)
Scanner H.P.
304-2
(IOB)
Platen Cover
304-5
(IOB)
Original Width
305-3,4
(IOB)
Original Length
305-8,9
(IOB)
Duplex Entrance
222-2
(DCB)
Duplex Exit
222-5
(DCB)
Duplex Inverter
220-6
(DCB)
NOTE: SC392 is activated when the CPU detects an ID sensor error during
developer initialization (SP2-214). 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 the "Error!!!" message is displayed.

4.2.2 SWITCHES

Component CN
Upper Paper 315
Size 1,2,4
(IOB)
Vertical
Transport Door
316-5
(IOB)
Lower Paper 317-
Size 1,2,4
(IOB)
SM
ELECTRICAL COMPONENT DEFECTS
Condition
Open The toner density control process is changed
(see the note below the table).
Shorted
Open SC120 is displayed.
Shorted
APS and Auto Reduce/Enlarge do not function
Open
correctly.
If the Start button is pressed with the platen
Shorted cover or A(R)DF closed, "Cannot detect original
size" is displayed.
Open The CPU cannot detect the original size
properly. APS and Auto Reduce/Enlarge do not
Shorted
function correctly.
Open The CPU cannot detect the original size
properly. APS and Auto Reduce/Enlarge do not
Shorted
function correctly.
The Paper Jam message will appear whenever
Open a duplex copy is made (paper hasn't reached
the sensor).
The Paper Jam message appears even if there
Shorted
is no paper at the sensor.
The Paper Jam message will appear whenever
Open a duplex copy is made (paper hasn't reached
the sensor).
The Paper Jam message appears even if there
Shorted
is no paper at the sensor.
The Paper Jam message will appear whenever
Open a duplex copy is made (paper hasn't reached
the sensor).
The Paper Jam message appears even if there
Shorted
is no paper at the sensor.
Condition
Open The CPU cannot detect the proper paper size,
and misfeeds may occur when a copy is made
Shorted
from the 1st paper tray.
The Cover Open indicator is lit even if the
Open
vertical transport door is closed.
The Cover Open indicator is not lit even if the
Shorted
vertical transport door is opened.
Open The CPU cannot detect the proper paper size,
and misfeeds may occur when a copy is made
Shorted
from the 2nd paper tray.
4-9
Symptom
Symptom
B039/B040/B043