B-300/B-500DN
User’s Guide
Replacing Consumables
105
2. Open the maintenance box cover.
3. Remove the new maintenance box from the package.
4. Lift up and pull the installed maintenance box outward.
Note:
❏
Do not tilt the maintenance box when you uninstall the maintenance box.
❏
Hold the maintenance box with both hands when you handle the maintenance box.
5. Put the used maintenance box into the plastic bag, and then seal off.
Note:
The plastic bag is provided with the new maintenance box.