HP Color 9850mfp Service Manual - Page 286
Original swing-back control, ing point conveying the paper at a low speed.
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II UNIT EXPLANATION PAPER FEED C. Original swing-back control Q3228A Original is positioned for scanning by this function. Original is conveyed beyond the original positioning plate, conveyance motor (M302) is stopped when the specified time elapses after the timing sensor (PS302) turns OFF, the motor starts reversing to return the original, and the original is struck against the original positioning plate and stops. Striking control differs between thin paper and others (paper of normal thickness and thick paper), therefore thin paper mode is available to be used for setting the original. [2] [3] [4] [5] [1] [1] Original striking position [2] Paper conveyance [3] Stops after the paper trailing end passes through the expected positioning point. [4] Strike the paper against the expected positioning point conveying the paper at a low speed. [5] Positioning completed 2-6
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