Ricoh B121 Service Manual page 155

Component CN
Scanner H.P. 102-2
(BICU)
Platen Cover
102-5
(BICU)
Original Width
103-3,4
(BICU)
Original Length
103-8,9
(BICU)
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 an error message is displayed.
SM
ELECTRICAL COMPONENT DEFECTS
Condition
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.
4-13
Symptom
B121 Series/B259 Series