This Canon iR5000/iR6000 Service Manual has been issued by Canon Inc. for qualified persons to learn technical theory, installation, maintenance, and repair of products. This manual covers all localities where the products are sold. For this reason, there may be information in this manual that does not apply to your locality. This manual may contain technical inaccuracies or typographical errors due to improvements or changes in products. When changes occur in applicable products or in the contents of this manual, Canon will release technical information as the need arises. In the event of major changes in the contents of this manual over a long or short period, Canon will issue a new edition of this manual.
This Canon iR5000/iR6000 Service Manual contains basic information needed to service the iR5000/iR6000 and its accessories (i.e., side paper deck, shift tray) in the field, conducted for the purpose of maintaining its product quality and a specific level of performance. A separate Service Manual is made available for each of its accessories (except for the side paper deck and shift tray); for details, refer to the appropriate manual. Introduction: features, specifications, names of parts, functions, operation, system configuration, routine maintenance by the user. Main Controller: functional construction, outline of electrical circuitry, principles of operation of the image processing system, power supply. Installation: site conditions and installation procedure, relocation of the machine, installation of accessories. Basic Operation: functional construction, outline of electrical circuitry, basic sequence of operations. Original Exposure System: principles of operation of the exposure system, timing of operation, disassembly/assembly and adjustment. Image Processing System: principles of operation of the image processing system, timing of operation, disassembly/ assembly and adjustment. The descriptions are updated from time to time to reflect product improvements, and major changes are communicated in the form of Service Information bulletins. All service persons are expected to familiarize themselves with the contents of this Service Manual and Service Information bulletins and acquire a level of knowledge and skill required to promptly respond to the needs of the field.
The following rules apply throughout this Service Manual: Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with reference to the timing of operation. In the diagrams, represents the path of mechanical drive; where a signal name accompanies the symbol , the arrow indicates the direction of the electric signal. The expression “turn on the power” means flipping on the power switch, closing the front door, and closing the delivery unit door, which results in supplying the machine with power. In the digital circuits, ‘1’ is used to indicate that the voltage level of a given signal is “High,” while ‘0’ is used to indicate “Low.” (The voltage value, however, differs from circuit to circuit.) In addition, the asterisk (*) as in “DRMD*” indicates that the DRMD signal goes on when ‘0’. In practically all cases, the internal mechanisms of a microprocessor cannot be checked in the field. Therefore, the operations of the microprocessors used in the machines are not discussed: they are explained in terms of from sensors to the input of the DC controller PCB and from the output of the DC controller PCB to the loads.
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