viii Service Manual
Lexmark S400 Series
Preface
This manual contains maintenance procedures for service providers. It is divided into the following chapters:
1. General information contains a general description of the printer and the maintenance approach used to repair
it. It includes printer specifications, special tools, and acronyms.
2. Diagnostic information contains an error code table, symptom tables, and service checks used to isolate
failing field replaceable units (FRUs).
3. Diagnostic aids contains tests and checks used to locate or repeat symptoms of printer problems.
4. Repair information provides instructions for making printer adjustments and removing and installing FRUs.
5. Connector locations uses illustrations to identify the connector locations and test points on the printer.
6. Preventive maintenance contains the lubrication specifications and recommendations to prevent problems.
7. Parts catalog contains illustrations and part numbers for individual FRUs.
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General