HP 2300d Service Manual - Page 106
Sheet-feeder pickup and feed, Theory of operation, Engine controller PCA
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Reverse motor drive signal Main motor drive signal Top-of-page detection signal (/TOPSNS) Paper feeder paper detection signal (/FDSNS) Paper feeder pickup solenoid drive signal (/FDSN, /FDSOL) Engine controller PCA Power supply PCA Top output bin delivery rollers M904 Reverse motor M903 Main motor Photosensitive drum Paper feeder PCA Registration shutter Pressure roller Feed belts PS2305 Transfer charging roller Registration roller SL2002 (SL2001) Feed rollers PS2003 (PS2001) Optional tray 3 (250-sheet or 500-sheet feeder) Pickup roller Feed roller Figure 34. Sheet-feeder pickup and feed PS2305: Top-of-page sensor (printer) PS2003: 500-sheet feeder media sensor SL2002: 500-sheet feeder pickup solenoid PS2001: 250-sheet feeder media sensor SL2001: 250-sheet feeder pickup solenoid 104 Theory of operation ENWW