hp Color 9850mfp PROCESS UNIT 4. Remove the screws [1], 3 each, and then remove 2 developing pressing blocks [2] while [1] [1] sliding the upper side of the developing pressing blocks. [2] 5. Remove the relay connectors [1], 1 each, and then remove 4 developing units [2] one at a time. III DIS./ASSEMBLY 6. Reinstall the above parts following the removal steps in reverse. Place an appropriate color label supplied with the developing unit on the new unit. Note: • Be careful not to open the developing unit cover. [1] [2] 3-49