HP Color 9850mfp Service Manual - Page 224
Replacing the double feed prevention roller, Periodically replaced parts/cycle, Procedure
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BY-PASS TRAY 7.2 Replacing the double feed prevention roller A. Periodically replaced parts/cycle • Double feed prevention roller: Every 125,000 copies in actual replacement count B. Procedure 1. Remove the paper feed roller and the feed roller. (See "Replacing the paper feed roller and the feed roller.") 2. Remove 2 double feed pressure springs [1]. 3. After removing the stop ring [2], pull out the double feed prevention shaft [3] and remove the flange [4] and the double feed prevention roller assembly [5]. 4. Remove the double feed prevention roller [6] from the double feed prevention roller assembly [5]. 5. Reinstall the above parts following the removal steps in reverse. Note: • Be sure to install the double feed prevention roller [6] so that the paint mark [7] turns in the direction shown in the drawing. hp Color 9850mfp [7] [1] [1] [3] [2] [4] [6] [5] III DIS./ASSEMBLY 3-70
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