# General Maintenance
## General Maintenance Tips
It's important to do a quick cleanup and inspection before and after each use of NOVA, this will ensure the longevity of your machine.
* Keep your hands clean to avoid transferring ink/paste to areas around your machine.
* If you notice material transfer, clean it as soon as you can.
* Wet inks can generally be wiped off using a paper towel or tissue.
* Dried ink that has not been cured can be cleaned by applying a small amount of solvent (isopropyl alcohol) and rubbing with a paper towel.
* Protect your Dispenser and Probe by returning them to the foam insert in the drawer between uses.
### Cleaning Supplies
Here is a list of items that are good to keep on hand when using NOVA:
{% hint style="danger" %}
Do not use **Acetone** to clean NOVA.
{% endhint %}
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