Brother International HL-1660E Service Manual - Page 3

PREFACE This service manual contains basic information required for after-sales service of the laser printer (hereinafter referred to as "this machine" or " the printer"). This information is vital to the service technician in maintaining the high printing quality and performance of the printer. This manual consists of the following chapters: ChapterI : General Features, specifications, etc. ChapterII : Theory of Operation Basic operation of the mechanical system and the electrical system, and their timing. ChapterIII : ChapterIV : ChapterV : ChapterVI : Appendices : Electrical System Theory of the electronics circuit Mechanical System Requirements for a suitable location, disassembling and reassembling procedure of mechanical system. Maintenance and Servicing Parts replacement schedule, list of tools, lubricants and cleaners. Troubleshooting Reference values and adjustment, troubleshooting for image defects, troubleshooting for malfunctions, etc. Engine Block Diagram, PCB Circuitry Diagrams, etc. Information in this manual is subject to change due to improvement or re-design of the product. All relevant information in such cases will be supplied in service information bulletins (Technical Information). A thorough understanding of this printer, based on information in this service manual and service information bulletins, is required for maintaining its quality performance and for fostering the practical ability to find the cause of troubles.