Ricoh K-C3 Service Manual page 143

B245/B276/B277/B268/B269 Service Manual
Component
By-pass Paper End
Exit
Toner Density
Image Density
Scanner H.P.
Platen Cover
Original Width
Original Length
CN Condition
Shorted
Open
136-7
(BICU)
Shorted
Open
124-2
(BICU)
Shorted
125-3 Open
(BICU)
Shorted
123-2 Open
(BICU)
Shorted
102-2 Open
(BICU)
Shorted
Open
102-5
(BICU)
Shorted
Open
103-3,4
(BICU)
Shorted
103-8,9 Open
(BICU)
Shorted
Symptom
there is no paper in the tray. The Paper Jam
message will appear whenever a copy is
made from the 2nd paper tray.
(B276/B277/B268/B269 models only).
The Paper End indicator lights when the
bypass tray is selected, even if there is
paper in the tray.
The Paper End indicator does not light
when the bypass tray is selected, even if
there is no paper in the tray. The Paper Jam
message will appear whenever a copy is
made from the bypass tray.
The Paper Jam message will appear
whenever a copy is made (paper has not
reached the sensor).
The Paper Jam message appears even if
there is no paper at the sensor.
SC390 is displayed.
The toner density control process is
changed (see the note below the table).
SC120 shows.
APS and Auto Reduce/Enlarge do not
function correctly.
If the Start button is pressed with the platen
cover or A(R) DF closed, "Cannot detect
original size" is displayed.
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
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