Xerox 8830 Service Manual page 485

How To Use This Manual
Always begin with the Service Call Procedures,
Section 1. Perform the Initial Actions to identify
and classify the problem.
Then, proceed to one of the following sections
of the manual to correct the problem.
Section 2 contains the Status Indication RAPs.
Use these RAPS if the unit is not operational,
such as when a Status Code is displayed, or
there is an improper indication or "blank"
display, etc.
Section 3 is used to troubleshoot Image Quality
problems. If you are not sure of the type of
image quality defect that is occurring, use the
contents page in Section 3 to find a defect that
the best represents the type of defect that is on
the copy.
When using Section 2 or Section 3, you may be
directed to Section 4 to perform repair or
adjustment procedures, or to Section 5, Parts
List.
Next, perform the Normal Call procedures.
After performing Normal Call or Call Back,
perform Final Actions to ensure that the unit
meets the copy specifications.
Introduction
Multinational Configuration
Differences
This manual contains information that applies to
USO/NACO (USA), EO (European Operations),
XCL Canada and XLA/AO (Latin America).
Repair Analysis Procedures (RAPs)
A RAP is either a table of faults and possible
solutions, or a series of steps designed to lead
you to the cause of a problem. In each step,
you will perform an action or observe an
occurrence. For fault tree RAPS, at each step,
a statement is made that has a Yes (Y) or No
(N) answer.
If the answer is NO, perform the action following
the NO. If the answer is YES, proceed to the
next step.
When several items are listed, perform them in
the order listed.
Proceed through the steps only until the
observed problem is isolated and solved. Then
evaluate the unit for proper performance. If a
further defect is observed, go to the appropriate
RAP and perform the steps It contains until the
additional fault is located and repaired.
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Repair / Adjustment Procedures
The repair procedures provide detailed steps on
how to remove and replace components. The
adjustment procedures provide detailed steps
on how to check and adjust components. Some
units have been modified by various design
changes. Each change or modification is
labeled with a Tag/ MOD (modification) number.
The Tag/ MOD numbers are identified in the
Change Tag/ MOD Index in Section 6 of this
Service Manual.
When a modification affects how a particular
procedure is performed, the procedure or steps
are identified with either a W/ Tag/ MOD or a
W/ 0 Tag/ MOD statement. Each procedure or
step that is affected by a modification is
identified with the statement, W/ Tag/ MOD,
followed by the modification number. The W/ in
the statement indicates that this step must be
performed on units that are assembled with that
specific modification.
When the procedure or steps are not affected
by a particular modification, they are identified
with the statement, W/ O Tag/ MOD, followed by
the modification number. The W/ O in the
statement indicates that this step must be
performed on units assembled without that
specific modification.
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