HP Color 9850mfp Service Manual - Page 349

II UNIT EXPLANATION Q5686A/Q5687A STACKER (2) Stitch-and-fold mode An finisher operation signal from the finisher drives the stopper motor (M718) to lower the booklet stopper down to the stitch-and-fold position suitable for the paper size. Upon completion of the stapling operation, M718 is driven to lower the paper down to the folidng position. After folding operation, the folding exit sensor (PS725) detects the trailing edge of the paper bundle and M718 is driven to raise the booklet stopper up to the paper size position to stand by for the paper of the next copy. Stapler motor F (M714) Clincher motor F (M715) Stapler motor R (M709) Clincher motor R (M710) Alignment motor U (M705) Alignment motor L (M716) Stopper HP sensor (PS723) Stopper motor (M718) UP DOWN Folding exit sensor (PS725) [1] [2] [1] Finisher operation start signal ON [2] Movement to the folding position suitable for the paper size [3] Stapling operation [3] [4] [5] [4] Movement to the folding position suitable for the paper size [5] Movement to the folding position of the next copy 2-19