

After Drum Unit replacement step 1 has been completed, check that the red-circled lock is located at the position indicated by a dashed line, then execute step 2. If the red-circled lock is not located at the position indicated by a dashed line, press in the blue knob of the Drum Unit to release the lock.
Your service representative will collect your used Drum Unit. Put it in a black plastic bag and store it in a box by itself.
A Drum Unit may be damaged due to exposure to light. Do not take it out of a black plastic bag until just before it is to installed.
If a Drum Unit was replaced, be sure to adjust the gradation. For details on how to adjust the gradation, refer to Here.

The inside of this product has areas subject to high temperature, which may cause burns. When checking the inside of the unit for malfunctions such as a paper misfeed, do not touch the locations (around the fusing unit, etc.) which are indicated by a "Caution HOT" caution label. A burn could result.