1 - 1Chapter 1 TroubleshootingThis manual is based on the standard specifications of Oki Dataon the assumption that the printer controller is working properly.When the printer controller controls operation directly or any OEM has its uniquespecifications, 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 notused. You can correct troubles according to these troubleshooting proceduresafter understanding them well.1. Progressing with the TroubleshootingAfter making sure of actual condition of a trouble, proceed with the troubleshooting process efficientlymaking 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 TroubleshootingFlow of the troubleshooting is as follows:Prior checkCondition checkStartLevel 1 FIPTrouble recovery checkPreventivemaintenanceEndLevel 2 FIPOperation of DiagnosticPrinciples of OperationWiring Diagrams
