hp Color 9850mfp BY-PASS FEED 9.2 Operation 9.2.1 Tray up drive control When Pick-up solenoid/BP (SD5) turns on after the paper feed motor (M41) turns on, the up/down plate is raised with paper going up. When pulling out ADU, coupling comes off the drive section and the up/dwon plate comes down by its own weight. 9.2.2 Paper feed control II UNIT EXPLANATION [1] START button (ON) 9.2.3 Paper size detection control The paper size in the by-pass tray is detected along the width by the paper size/SBP (PS48) and the paper size/LBP (PS49), and along the length by the paper size VR/BP (VR4).
2-47 [1] Paper feed motor (M41) Pick-up solenoid/BP (SD5) Paper feed clutch/BP (MC6) By-pass conveyance sensor (PS26)