COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000CHAPTER 2 SEQUENCE OF OPERATIONS2-2 P1.2 Outline of Electrical Circuitry1.2.1 OutlineThe major electric mechanisms of the printer unit are controlled by the CPU on the DCcontroller PCB; the principal functions of the major elements are as follows:1.2.2 DC Controller PCBT02-102-01 List of Control ItemsNameCPURAMDIMM ROMEEP-ROMROMDescription• Controls jobs • Controls state of operation• Controls fixing temperature • Controls high voltage• Controls potential • Controls toner supply • Controls paper feeding• Controls printing sequence • Controls output • Controls motors• Controls finisher (accessory)• Controls communications with controller unit • Controls service mode• Stores service mode data• Stores user mode data• Stores control data• Flash memory for storing control program• Backs up RAM data• Mask ROM for control program (for future use)Download Free Service Manual at http://printer1.blogspot.com
