Ricoh K-C3, Service Manual

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B245/B276/B277/B268/B269 Service Manual 18-Jan-06
134
Component CN Condition 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).
Shorted
Open
The Paper End indicator lights when the
bypass tray is selected, even if there is
paper in the tray.
By-pass Paper End
136-7
(BICU)
Shorted
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.
Open
The Paper Jam message will appear
whenever a copy is made (paper has not
reached the sensor). Exit
124-2
(BICU)
Shorted
The Paper Jam message appears even if
there is no paper at the sensor.
Open
Toner Density
125-3
(BICU)
Shorted
SC390 is displayed.
Open
Image Density
123-2
(BICU)
Shorted
The toner density control process is
changed (see the note below the table).
Open
Scanner H.P.
102-2
(BICU)
Shorted
SC120 shows.
Open
APS and Auto Reduce/Enlarge do not
function correctly.
Platen Cover
102-5
(BICU)
Shorted
If the Start button is pressed with the platen
cover or A(R) DF closed, “Cannot detect
original size” is displayed.
Open
Original Width
103-3,4
(BICU)
Shorted
The CPU cannot detect the original size
properly. APS and Auto Reduce/Enlarge do
not function correctly.
Open
Original Length
103-8,9
(BICU)
Shorted
The CPU cannot detect the original size
properly. APS and Auto Reduce/Enlarge do