Troubleshooting and Repairing Computer Printers – Electronic service techniques

Electronic service techniques REGARDLESS OF THE PARTICULAR TECHNOLOGY AT WORK in your printer (figure 9-1), each and every operation is controlled by a set of electronic circuits that is commonly called the Elec­ tronic Control Unit (or ECU). The specific architecture and com­ ponents used inan ECU vary radically between printer models and manuf acturers. […]
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