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Chapter 1 Troubleshooting
This manual is based on the standard specifications of Oki Data
on the assumption that the printer controller is working properly.
When the printer controller controls operation directly or any OEM has its unique
specifications, the operation may be different from description in this manual.
Troubleshooting in this manual assumes use of Diag. tools (maintenance tools).
However, the troubleshooting allows for the case where the Diag tools are not
used. You can correct troubles according to these troubleshooting procedures
after understanding them well.
1. Progressing with the Troubleshooting
After making sure of actual condition of a trouble, proceed with the troubleshooting process efficiently
making use of the Fault Isolation Procedure (FIP), Operation of Dignostic (Chapter 2), Wiring Diagrams
(Chapter 7), and Principles of Operatin (Chapter 6).
1.1 Flow of Troubleshooting
Flow of the troubleshooting is as follows:
Prior check
Condition check
Start
Level 1 FIP
Trouble recovery check
Preventive
maintenance
End
Level 2 FIP
Operation of Diagnostic
Principles of Operation
Wiring Diagrams
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