9 Press [I TEM ] until TRANSFER KIT SELECT IF DONE appears in the control panel display. Then press [S ELECT ] . 9 10 To replace the air filters, turn the printer off and wait 10 minutes for the fans to stop running. Unplug the power cord and open the upper rear door of the printer. If the printer has a duplex unit, open the rear cover of the duplex unit. 11 Remove the two used air filters from the rear of the printer. Then use the hand wipe to clean excess dust away from the fan areas. 10 12 Insert the new air filters. Close all doors, plug in the printer, and turn the printer on. 11 C7085-90921 Chapter 4 Printer maintenance 91 2 1