Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest

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Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest Manual pdf 14 page image

22-2OverviewIn this chapter, measures of adjustment when replacing parts in servicing operation arementioned. Parts to be replaced are categorized into 5 blocks based on their relatedtechnology as shown below.Controller System Main Controller PCB 1 p. 2-2Main Controller PCB 2 p. 2-3DC Controller PCB p. 2-4HDD p. 2-4TPM PCB p. 2-6Flash PCB p. 2-6Riser PCB p. 2-6Laser Exposure System Laser Scanner Unit p. 2-6Image Formation System Primary Charging Wire p. 2-6Grid Plate p. 2-6Primary Charging Assembly p. 2-6Pre-Primary Transfer Charging Wire p. 2-8Pre-Primary Transfer Charging Assembly p. 2-8Drum Unit p. 2-8Developing Assembly p. 2-8Potential Sensor p. 2-9ITB Cleaning Blade Unit p. 5-11ITB p. 2-12Primary Transfer Roller p. 2-12Patch Sensor Unit p. 2-12Waste Toner Container p. 2-12Waste Toner Full Sensor p. 2-12Fixing System Fixing belt Unit p. 2-12Pressure belt Unit p. 2-12Fixing assembly p. 2-13When replacing partsController System■ Main Controller PCB 1Procedure of partsreplacementRefer to Chapter 4, "Removing the Main Controller PCB 1."T-2-1Procedure ofadjustmentService part:• Setting unit: Main Controller PCB 1 + Controller Box Frame + Cooling Fan• Parts number differs on a model basis (speed basis).Cooling Fan Main Controller PCB 1Controller BoxFrameIn order to secure the accuracy of connector connection when slotting in, thisservice part is provided with the PCB being installed to the frame.1) Transferring the parts from old PCB to new PCB• DDR2-SDRAM (2 pc.)• Flash PCB• TPM PCBT-2-2