Introduction
About This Manual
This manual is a part of a documentation
system for an associated controlling system for
the Scanner. The documentation system
includes manuals for a host controller or other
computer system, and a printer. The service
manual for the controlling system should be
placed first in the binder because it is the entry
point for service on the system.
This manual contains Service Call Procedures,
Diagnostic Procedures, Status Indicator Repair
Analysis Procedures, Repair and Adjustment
Procedures, Parts Lists and General
Procedures or Information.
This information will help a Service
Representative repair and maintain this device.
Organization
The manual is divided into eight sections:
Section 1. Service Call Procedures
This section contains the following Information:
• Call Flow Diagram
The Call Flow Diagram is a map of the
procedures to follow on each service call.
• Initial Actions
The Initial Actions identify how to collect the
information necessary and how to verify,
classify and proceed with the service call.
• Maintenance Activities
The Maintenance Activities list the items
that have to be serviced based on the type
of call to be performed, either Normal Call
or Call Back.
Section 2. Status Indicator Repair Analysis
Procedures
This section contains the Repair Analysis
Procedures (RAPs) that are necessary to repair
the faults other than the image quality defects.
When using a RAP, stop the repairs when the
fault is isolated and repaired, and check the
device for correct operation. Do not perform the
remaining steps in the RAP. If the device still
malfunctions, begin from the top of the RAP to
isolate these faults.
Section 3. Image Quality Repair Analysis
Procedures
This section contains a listing of image quality
defects and samples to assist in classifying the
defects. When the defect has been classified, a
checklist is then used to repair the cause of the
defect. The checklists are arranged in the
sequence of most probable to least probable
cause with the corresponding corrective action
for each cause.
Section 4. Repair/Adjustment Procedures
This section contains the repairs and
adjustments for the unit.
Section 5. Parts List
This section contains the detailed Parts Lists for
the unit.
Section 6. General Procedures/information
This section contains the Diagnostic
Procedures, Product Specifications,
Supplemental Tools and Supplies, Generic
RAPs, Installation and Removal procedures,
and other information.
Section 7. Wiring Data
This section contains the Block Schematic
Diagrams.
Section 8. Accessories/ Options
This section is not used at this time.
7356 Scanner
3/98
v
Introduction
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