Lexmark W820 Service Manual - Page 9

Preface 4025-Finisher This manual describes the Lexmark TM W820 4025-XXX Finisher and contains maintenance procedures for service personnel only. 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. Special tools and test equipment are listed in this chapter, as well as general environmental and safety instructions. 2. Diagnostic Information contains an error indicator 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 - There are no preventative maintenance procedures for the Lexmark W820 (4025) Finisher. 7. Parts Catalog contains illustrations and part numbers for individual FRUs. Preface ix