hp Color 9850mfp PROCESS UNIT 4.8 Replacing the toner collection sheet 1 A. Periodically replaced parts/cycle • Toner collection sheet 1: Every 200,000 copies B. Procedure 1. Remove the belt cleaning brush unit ( See "4.6 Replacing belt cleaning brush unit "). 2. After removing 3 screws [1], remove the toner collection sheet 2 [2] and then remove the toner collection sheet 1 [3]. 3. Reinstall the above parts following the removal steps in reverse. Note: • Be careful not to fold the PET sheet of the toner collection sheet 1, or damage it by hit- ting it on the edge. III DIS./ASSEMBLY [1] [3] [2] 3-39