> For the complete documentation index, see [llms.txt](https://docs.voltera.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.voltera.io/docs/nova/learn-nova/general-maintenance/cleaning-the-calibration-plate.md). # Cleaning the Calibration Plate #### When to Clean the Calibration Plate You should clean your calibration plate right after you complete a calibration or print process. Doing it right away will ensure the material has not started to dry or cure and make it much easier to clean. #### Steps for Cleaning the Calibration Plate **Step 1:** Wear appropriate PPE. Refer to the SDS of your material. Typically, this means gloves and goggles, and sometimes requires handling in a fume hood. **Step 2:** It’s easiest to clean the calibration plate after removing it. The plate is held in place with magnets and there is an indent below the plate on each side for easy removal. Press down on the right or left edge of the calibration plate and remove it.

**Step 3:** Use a paper towel or low-lint wipe to clean off the calibration plate, you may need to use some isopropyl alcohol if the ink is smearing or if it has started to dry.

{% hint style="success" %} If you still notice ink on the calibration plate after this step, use warm, soapy water and a sponge to remove any dried residue. {% endhint %} **Step 4:** Once clean, place the calibration back in its place on NOVA.

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