Xerox 3050 Service Manual page 175

OF 5 Document Handling
Problem RAP
This RAP is used for Document Scan and
Rescan problems that are not indicated by a
status code.
The problem may occur i f there is a problem
with poor quality documents, the platen, the
document sensors, mechanical components,
or the antistatic brushes.
Initial Actions
Ensure that the document is in good
condition. If the Document is worn,
torn, fragile, or folded, the document
carrier should be used.
Check that the Upper Document
Handler is positioned correctly.
C h e c k the document path for
obstructions and the top and bottom
platens for damage and for correct
installation.
If the Platen is contaminated or a static
condition exists, clean the Platen with
antistatic cleaner.
If the problem occurs with Rolled
Documents, ensure that the customer is
using the document carrier.
If the problem occurs with rigid
documents, fragile documents, and
documents in Document Carriers,
ensure that the customer is using the
Sets Mode.
Diagnostic Procedure
1. Prepare t o make a copy. Chose a
Document that is similar to the
customer's Document.
Place Document on the Document Feed
Shelf and feed the Document into the
Document Handler.
Observe the operation of the Document
in order to isolate the problem.
If you isolate a particular Document
Handling problem, refer to that problem
in the Problem list and perform the
indicated checks and corrective actions.
If you can not isolate a particular
problem, refer to the Problem list and
perform all the Checks and the
Corrective Action i n the sequence
provided.
Problem
The Document does not Scan and Rescan
correctly.
Perform the Following Checks and
Corrective Actions:
An excessive static condition exists with
the Document Handler. Check the
Document Static Brushes for
contamination. Clean and/ or replace as
required, refer t o (PL 5.2).
The Platen is not positioned or seated
correctly. Ensure that the Platen is
secured by the securing hardware, refer
t o (PL 5.2).
The Document Sensors are not actuating
or deactuating correctly.
Ensure that the Document Sensors are
in the correct location and are secured
correctly. Reseat the Sensors and
secure as required, refer t o (PL
5.2).
Ensure that
(2)
"0" Rings are
positioned around each actuator, and
the actuators operate correctly, refer
to (PL 5.2).
The Document Feed Shelf is not
positioned correctly or not secured.
Reposition the Shelf and secure the Shelf
with the retaining hardware, refer to
(PL 14.6).
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OF 5 Document Handling Problem RAP