This manual contains maintenance procedures for service personnel. 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. 2. Diagnostic Aids contains error indications and symptom tables used to isolate failing field replaceable units (FRUs). 3. Repair Information provides instructions for making Printer adjustments and removing and installing FRUs. 4. Parts Catalog contains illustrations and part numbers for individual FRUs.