Xerox 3050 Service Manual page 50

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A1.O1l AI.65 Document
Handler RAP
The status code A1 i s displayed when the
logic detects that there i s a document
handler problem. As the document is
scanned and then rescanned, the lnsert
Document Sensor i s actuated and
deactuated, causing the sensor signal to
change state. The logic detects a change in
the state of the lnsert Document Sensor
signal.
I
A1.O1
Indicates that the logic detected
that the lnsert Document Sensor
was actuated at Power On. The
sensor signal was HIGH when the
Power On
(1)
button was pressed.
A1.65 Indicates that the logic detected
that the lnsert Document Sensor
deactuated too early when the
document was being scanned. The
lnsert Document Sensor signal
changed state from a HlGH to
LOW
too early a s the document was
being scanned.
The problem may occur if one of the
following conditions exist:
the Document Handler has an
excessive static condition.
the document is less than 11.0 inches
(279
mm)
in length.
the document i s not in good
condition.
CONTROL PWB (A3)
there is a problem with the Document
Drive Motor or the motor control
circuitry.
Initial Actions
Remove the Upper Document
Handler. Ensure that the actuator for
the lnsert Document Sensor is not
binding or damaged.
Ensure that the connector for the
lnsert Document Sensor
(921
PI) and
the Control
PWB (A3 P304)
are not
damaged and
are
seated correctly.
Check that the copier has Tag1 MOD
02 installed (Document Sensor -
0
Rings).
Procedure
Enter the code
(05011
to check the lnsert
Document Sensor. The Control Panel display
indicates a
(01)
when the sensor i s actuated.
Activate the lnsert Document Sensor4
If the display does change from
(00)
to
(Ol),
go to the 5.1 Document Handler RAP.
If the display does not change from
(00)
to
(01)
when the sensor is actuated, continue
with this procedure.
Go to FLAG 1 and check the wiring between
the lnsert Document Sensor and the Control
PWB for an open circuit or a short circuit to
ground.
If there is no open circuit or short circuit,
replace the lnsert Document Sensor
(421).
If the problem persists, replace the Control
PWB
(A3).
CONTROL PWR
31 93
Al., ,, HI .65 Document Handler RAP
2.1 2 3050