03/2003
iv
8850/ 510DP
Organization, How to Use This Manual
Introduction
Callback
This service is performed when the CSE has been called back to correct a problem that was
thought to have been recently corrected. The Callback is a short procedure performed on only
that subsystem that caused the original service cal
System Checkout / Final Action
This procedure is used to verify that the printer is operating correctly after a repair, and that the
correct steps are taken to close out a service call.
Section 2. - Repair Analysis Procedures (RAPs)
This section contains the Repair Analysis Procedures (RAPs) necessary to repair the faults.
When using a RAP, always exit the procedure when the fault is fixed. Do not perform the
remaining steps.
Section 3. - Image Quality Repair Analysis Procedures (RAPs)
This section contains the Repair Analysis Procedures (RAPs) necessary to repair the image
quality faults. Refer to "How to Use the Image Defect Definitions" to compare the image defect
to the definitions. Once you have determined the definition that best describes the defect, go to
the section contents page to find the appropriate RAP. When using a RAP, always exit the pro-
cedure when the fault is fixed. Do not perform the remaining steps.
Section 4. - Repair / Adjustment
This section contains the repair and adjustment procedures for the 8850 Printer.
Section 5. - Parts List
This section contains the detailed Parts List for the 8850 Printer.
Section 6. - General Procedures
This section contains Diagnostic Procedures, Installation Procedures, and General Informa-
tion, which includes Product Specifications for the 8850 Printer.
Section 7. - Wiring Data
This section contains the BSDs.
How to Use This Manual
The Service Call Procedures will direct you to the appropriate Section of the Service Manual.
You should begin the service call with the Initial Actions/ System Checks Procedure. From
there, you will be referred to either Section 2, Status Indicator RAPs, Section 3, Image Quality
RAPs, or Section 7 BSDs.
If you are sent to Section 3, compare the image defect to the print quality definitions. Once you
have determined the definition that best describes the copy defect, go to the section contents.
The section contents will direct you to an image quality RAP. The RAP has a list of probable
causes and corrective actions. From these RAPs you may be referred to other sections of the
manual to make checks, Adjustments, or to replace parts.
When you have made a Repair, always go to the Call Flow Procedure to finish the call.
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