hp Color 9850mfp PAPER FEED TRAY /1 TO /3 II UNIT EXPLANATION 2-41 Symbol Name Function or method [11] Feed roller 2 Feed of the tray 2 paper [12] Double feed prevention roller 1 Double feed prevention of the tray 1 paper [13] Paper feed roller 1 Paper feed of the tray 1 paper [14] Feed roller 1 Feed of the tray 1 paper [15] Pre-registration roller 1 Conveyance of the tray 1 paper and the paper stopper plate for the correction of paper skew M41 Paper feed motor Driving of the paper feed system 24VDC drive, DC brushless motor, PLL control M38 Tray up drive motor 3 Driving of the up/down plate 3 24VDC drive, DC brushless motor M39 Tray up drive motor 2 Driving of the up/down plate 2 24VDC drive, DC brushless motor M40 Tray up drive motor 1 Driving of the up/down plate 1 24VDC drive, DC brushless motor MC7 Paper feed clutch 1 Transmission of the driving force from the paper feed motor (M41) to the paper feed roller 1 24VDC drive MC8 Pre-registration clutch 1 Transmission of the driving force from the paper feed motor (M41) to the pre-registration roller 1 24VDC drive MC9 Paper feed clutch 2 Transmission of the driving force from the paper feed motor (M41) to the paper feed roller 2 24VDC drive MC10 Pre-registration clutch 2 Transmission of the driving force from the paper feed motor (M41) to the pre-registration roller 2 24VDC drive MC11 Paper feed clutch 3 Transmission of the driving force from the paper feed motor (M41) to the paper feed roller 3 24VDC drive MC12 Pre-registration clutch 3 Transmission of the driving force from the paper feed motor (M41) to the pre-registration roller 3 24VDC drive SD7 Pick-up solenoid 1 Transmission of the driving force of the tray 1 paper feed SD8 Pick-up solenoid 2 Transmission of the driving force of the tray 2 paper feed SD9 Pick-up solenoid 3 Transmission of the driving force of the tray 3 paper feed PS29 Pre-registration sensor 1 Detection of paper conveyance at the pre-registration roller 1 entrance PS30 Tray upper limit sensor 1 Detection of the upper limit of the tray 1 paper PS31 No paper sensor 1 Detection of the presence of the tray 1 paper PS32 Remaining paper sensor 1 Detection of the remaining paper in the tray 1 PS33 Paper size S1 Detection of the paper size along the length of the tray 1 PS34 Paper size L1 Detection of the paper size along the length of the tray 1 PS35 Pre-registration sensor 1 Detection of paper conveyance at the pre-registration roller 2 entrance PS36 Tray upper limit sensor 2 Detection of the upper limit of the tray 2 paper PS37 No paper sensor 2 Detection of the presence of the tray 2 paper PS38 Remaining paper sensor 2 Detection of the remaining paper in the tray 2 PS39 Paper size S2 Detection of the paper size along the length of the tray 2