HP Color 9850mfp Service Manual - Page 125
REGISTRATION/ADU/REVERSE/PAPER EXIT, Paper exit tray full detection
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II UNIT EXPLANATION hp Color 9850mfp REGISTRATION/ADU/REVERSE/PAPER EXIT Symbol Name M30 Registration roller motor M31 Loop roller motor M32 ADU reverse motor M33 Reverse/exit motor M34 2nd transfer pressure/release motor M41 Paper feed motor MC1 ADU conveyance clutch 2 MC2 ADU conveyance clutch 1 MC3 ADU pre-registration clutch MC4 Intermediate conveyance clutch 2 MC5 Intermediate conveyance clutch 3 SD4 Reverse/exit solenoid PS12 Paper exit full sensor PS13 Paper exit sensor PS19 Reverse/exit sensor PS20 ADU conveyance sensor PS21 ADU paper reverse sensor PS22 Registration sensor PS23 ADU pre-registration sensor Function or method Registration roller drive Stepping motor Loop roller drive Stepping motor ADU reverse roller drive Stepping motor Driving of the paper exit roller, decurler roller and the reverse/ exit roller 2 Stepping motor Pressure arm drive Stepping motor M41 Paper feed motor Driving of ADU conveyance rollers 1 and 2, ADU pre-registration roller and the intermediate conveyance rollers 2 and 3 DC brushless motor Transmission of driving force from the paper feed motor (M41) to the ADU conveyance roller 2 24VDC drive Transmission of driving force from the paper feed motor (M41) to the ADU conveyance roller 1 24VDC drive Transmission of driving force from the paper feed motor (M41) to the ADU pre-registration roller 24VDC drive Transmission of driving force from the paper feed motor (M41) to the intermediate conveyance roller 2 24VDC drive Transmission of driving force from the paper feed motor (M41) to the intermediate conveyance roller 3 24VDC drive Reverse gate drive 24VDC drive Paper exit tray full detection Photo sensor + actuator Detection of paper in the paper exit unit Photo sensor + actuator Detection of paper in the reverse section Photo sensor + actuator Detection of paper at the ADU reverse path entrance Photo sensor + actuator Detection of paper in the ADU reverse section Photo sensor + actuator Detection of paper in the registration section Photo sensor Detection of paper in the ADU paper loop section Photo sensor + actuator 2-51