HP LaserJet 6p/mp Service Manual - Page 56
Basic printer functions, DC Controller System/ Power System - laser scanner assembly
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Basic printer functions This chapter presents a generalized functional overview of the printer and the printing processes. The following printer systems are discussed: l DC Controller System/ Power System l Formatter System l Image Formation System l Paper Feed System l Laser/Scanner System Figure 5-1 is a generalized block diagram of the printer: Paper Output Bin Laser/Scanner System Scanning Mirror Laser Diode BD Circuit Scanner Motor Image Formation System Formatter System Formatter Control Panel DC Controller/Power System DC Controller Single Sheet Input Slot Paper Input Tray Front Output Slot Fusing Assembly Pick Up/Feed System Primary Charging Roller Photo- Cleaner sensitive drum Developing Unit Transfer Charging Roller Pickup Unit Figure 5-1 Printer functional block diagram 54 Functional overview EN