7.1 Replacing Consumables 13311. Close the front cover.Important• When closing the front cover, be careful not to get yourfingers caught between (the left, right, top, or bottomedge of) the cover and the printer.Replacing the Fuser UnitWhen the fuser unit is near or reaches the end of its life, the following messages appear onthe printer’s control panel.When you replace the fuser unit, also replace the feed roller for the tray 1 at the same time.For information on how to replace the feed roller, refer to "Replacing the Feed Roller" (P.136).CAUTION• Fuser SafetyWhen removing the fuser unit, always switch off first and wait for 3040 minutes until itcools off.Important• To protect the drum cartridge against bright light, close the front cover within three minutes. If the frontcover remains open for more than three minutes, print quality may deteriorate.Message ActionReady to PrintFuser UnitK LReady to PrintReorder SpareThe fuser unit needs to be replaced soon.Have a new fuser unit ready.010-351Replace FuserIt is time to replace the fuser unit.Replace the fuser unit.
