Maintenance > 557. Lower the new belt unit into place, with the lifting bar at the front and the drive geartowards the rear of the printer. Locate the drive gear into the gear inside the printerby the rear left corner of the unit, and lower the belt unit flat inside the printer.8. Turn the two fasteners (a) 90° to the right until they lock. This will secure the beltunit in place.9. Replace the four image drums, complete with their toner cartridges, into the printerin the same sequence as they came out: cyan (nearest the rear), magenta, yellowand black (nearest the front).10. Finally, close the top cover and press down firmly at both sides so that the coverlatches closed.FUSER REPLACEMENTThe fuser is located inside the printer just behind the four image drum units.1. Press the cover release and open the printer’s top cover fully.2. Identify the fuser handle (a) on the top of the fuser unit.WARNINGIf the printer has recently been powered on, some fusercomponents will be very hot. Handle the fuser with extreme care,holding it only by its handle, which will only be mildly warm to thetouch. A warning label clearly indicates the area. If in doubt, switchthe printer off and wait at least 10 minutes for the fuser to coolbefore opening the printer cover.aabba