Aficio MP1900 - Electrical Component Defects; Sensors

Electrical Component Defects
Sensors
Component CN Condition Symptom
Registration
111-2
(BICU)
Open
The Paper Jam message will appear whenever a
copy
is made (paper has not reached the sensor).
Shorted
The Paper Jam message appears even if there is
no paper at the sensor.
Paper End
114-2
(BICU)
Open
The Paper End indicator lights when the 1st paper
tray
is selected, even if there is paper in the tray.
Shorted
The Paper End indicator does not light when the
1st
paper 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 1st paper tray.
By-pass Paper End
136-7
(BICU)
Open
The Paper End indicator lights when the bypass
tray
is selected, even if there is paper in the tray.
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.
Exit
124-2
(BICU)
Open
The Paper Jam message will appear whenever a
copy
is made (paper has not reached the sensor).
Shorted
The Paper Jam message appears even if there is
no paper at the sensor.
Toner Density
125-3
(BICU)
Open
SC390 is displayed.
Shorted
Image Density
123-2
(BICU)
Open
The toner density control process is changed (see
the note below the table).
Shorted
Scanner H.P.
102-2
(BICU)
Open
SC120 shows.
Shorted
6. Troubleshooting
122
6
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CÓPIA NÃO CONTROLADA