I. ABOUT THIS MANUALThis manual is divided into five parts containing the information required forservicing the BJ-W9000 printer.Part 1: Safety and PrecautionsThis part contains information on how to service the unit safety. It is veryimportant, and must be read.Part 2: Product SpecificationsThis part outlines the product and its specifications.Part 3: Operating InstructionsThis part explains how to operate the unit properly, how it is installed, and howto use the service mode.Part 4: Technical ReferenceThis part outlines the unit operation giving a technically.Part 5: MaintenanceThis part explains maintenance of the unit. It includes details of disassembly /assembly, adjustments required when assembling, troubleshooting procedures, andwiring / circuit diagrams, etc.This manual does not contain complete information required fordisassembling and assembling the printer. Please also refer to theseparate Parts Catalog.REF.I