HP Color 9850mfp Service Manual - Page 191
Replacing the belt cleaning brush unit, transfer belt.
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hp Color 9850mfp 4.6 Replacing the belt cleaning brush unit A. Periodically replaced parts/cycle • Belt cleaning brush unit: Every 600,000 copies B. Procedure 1. Remove the transfer belt unit. (See "4.5 Remov- ing and reinstalling the transfer belt unit.") 2. Remove 2 screws [2] while holding the belt cleaning unit [1] by hand, and then remove the belt cleaning unit. 3. Replace the belt cleaning brush unit with a new one. 4. Reinstall the above parts following the removal steps in reverse. Note: • The belt cleaning unit is made up of the belt cleaning brush unit and the parts listed below. (For details of these parts, see "4.7 Replacing the belt cleaning blade" and "4.8 Replacing the toner collection sheet /1.") Belt cleaning blade : 1 piece Blade spring : 2 pieces Stop ring : 2 pieces Blade fulcrum shaft : 1 piece Toner collection sheet 1 : 1 piece Toner collection sheet 2 : 1 piece Screw : 3 pieces • Before installing the belt cleaning unit, apply the setting powder on the portion [3] on the transfer belt. • When reinstalling it, set the guide sections provided on both sides below the belt cleaning unit to the pins of the transfer belt unit, and then attach the screws. [2] [3] PROCESS UNIT [2] [1] III DIS./ASSEMBLY 3-37
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