- 81 -3. Maintenance2 Press the open button (A) and open the output tray (a).3 Tilt forward the fuser unit lock levers (b) to unlock.4 Hold the fuser unit handle (c) and lift the fuser unit out of the machine.While removing the fuser unit, be careful not to hit it to the LED head.5 Push the blue lever on the new fuser unit and remove the orange safetystopper.6 Hold the handle of a new fuser unit, align the fuser unit to the grooves behindthe toner cartridges, place the fuser unit into the machine.Possible to get burned.Since the fuser unit gets hot, carry out the operation carefully, and when lifting it up youmust hold it by the handle. Do not try to hold it whilst it is hot. Wait until it has cooleddown and then carry out the operation.