hp Color 9850mfp PROCESS UNIT 4.18 the process unit Removing and reinstalling A. Procedure 1. Remove the transfer belt unit. (See " 4.5 Remov- ing and reinstalling the transfer belt unit .") 2. Remove all of the drum cartridges. (See " 4.13 Replacing the drum cartridge .") 3. Remove all of the developing units. (See " 4.15 Replacing the developing unit .") 4. Remove the screws [1], 2 each. Note: • When removing the process unit, be sure to remove in advance the transfer belt unit, drum cartridge and the developing unit. [6] [8] • Be careful not to remove black screws. 5.
Push back the process unit [6] until it becomes possible to see the screw [5] through each hole [4] III DIS./ASSEMBLY [4] of the guide rails L [2] and R [3]. [2] [1] 6. Remove the screws [5], 1 each. [5] Note: • Be careful not to remove black screws. 7. Pull out the process unit [6] again. Then remove it from the guide rails L [2] and R [3] as [7] [6] explained below: The projection [7] on the guide rail L is set into the notch [8] of the process unit. The notch [10] of the process unit is placed on the projection [9] on the guide rail R.
Accordingly, slide the guide rail L a little against the process unit to remove it from the guide rail L, and then remove it from the guide rail R by raising the process unit. [4] 8. Reinstall the above parts following the removal [1] [5] [3] steps in reverse. [10] [9] 3-53