xxii Service ManualPrefaceThis manual contains maintenance procedures for service personnel. It isdivided into the following chapters:1. General information contains a general description of the MFP andthe maintenance approach used to repair it. Special tools and testequipment are listed, as well as general environmental and safetyinstructions.2. Diagnostic information contains an error indicator table, symptomtables, and service checks used to isolate failing field replaceable units(FRUs).3. Diagnostic aids contains tests and checks used to locate or repeatsymptoms of MFP problems.4. Repair information provides instructions for making MFP adjustmentsand removing and installing FRUs.5. Connector locations uses illustrations to identify the connectorlocations and test points on the printer.6. Preventive maintenance contains the lubrication specifications andrecommendations to prevent problems.7. Parts catalog contains illustrations and part numbers for individualFRUs.DefinitionsNote: A note provides additional information.Warning: A warning identifies something that might damage the producthardware or software.CAUTION: A caution identifies something that might cause a servicerharm.CAUTION: When you see this symbol, there is a danger fromhazardous voltage in the area of the product where you areworking. Unplug the product before you begin, or use cautionif the product must receive power in order to perform the task.