Electrical Component Defects
C279 6-12 SM
Component Condition Symptom
Registration Sensor reflected
light /
There is a
paper
The “A”,”B” jam indicator is lit and cannot be
canceled.
No paper
The “A” jam indicator is lit whenever a copy
is made.
Paper End Sensor reflected
light /
There is a
paper
Printing can begin even if there is no paper,
but the “A” jam indicator will be lit.
No paper
The “load more paper” indicator is lit. The
paper table moves down to the lower
position, if it is not at the lower position.
Cutter HP Sensor ON E-01 is displayed.
OFF
Paper Size Sensor
ON The correct paper size is undetectable if
paper does not match the paper size sensor
pattern.
A size different from the set paper or "*" is
displayed.
When a master is made in this state, there
may be a size disagreement warning or
solid image.
OFF
Paper Length Sensor
Reflected
light
If paper which should not be detected by
the sensor is set, it is detected, and a size
different from the set paper is displayed.
The press roller becomes dirty whenever
the paper is shorter than the image.
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