PROCESS UNIT hp Color 9850mfp 4.7 blade Replacing the belt cleaning A. Periodically replaced parts/cycle • Belt cleaning blade: Every 100,000 copies B. Procedure 1. Remove the belt cleaning brush unit. (See " 4.6 Replacing the belt cleaning unit .") 2. Remove 2 blade springs [1]. [3] [4] 3. After removing the stop ring [2], pull out the blade support shaft [3] and remove the belt cleaning blade [4]. 4. Reinstall the above parts following the removal steps in reverse. Note: • Before installing the belt cleaning unit, apply III DIS./ASSEMBLY the setting powder on the portion [3] on the transfer belt, shown in the previous page. [1] [3] [2] 3-38