HP Color 9850mfp Service Manual - Page 362
M710 and M715., Staple control, Stapling operation, Staple, Detection of staple-jamming
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II UNIT EXPLANATION STAPLER 4.2.2 Staple control Q5686A/Q5687A Stapling is made by the stapler motors R and F (M709 and M714) and the clincher motors R and F (M710 and M715). A. Stapling operation In the stapling operation, the cam mechanism allows the stapler motors R and F (M709 and M714) within the staplers R and F [1] to push out the paper presser [3] to the clincher side [4] to press the paper [5], and then push out the staples [6]. After that, the clincher motors R and F (M710 and M715) in the clinchers R and F bend the staples [6]. [1] [5] [4] [6] [2] [3] [4] [6] [1] B. Staple control (1) Staple After completion of the alignment operation of the alignment plate, the stapler motors R and F (M709 and M714) start the stapling operation. After a specified period of time, the clincher motors R and F (M710 and M715) start the clinching operation. When the clincher HP sensors R and F (PS732 and PS733) and the stapler HP sensors R and F (PS730 and PS731) detect the home position (OFF to ON), the stapling operation is completed. (2) Detection of staple-jamming While in the stapling operation, if the stapler HP sensor R and F (PS730 and PS731) and the clincher HP sensors R and F (PS732 and PS733) do not turn on within a specified period of time after they turn off, it seems that staples have been jammed. Rotate reversely the stapler motors R and F (M709 and M714) and the clincher motors R and F (M710 and M715) and return them to the home position. 2-32