> For the complete documentation index, see [llms.txt](https://manual.rotrics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manual.rotrics.com/faq-troubleshooting/faqs.md).

# ❓FAQs

{% hint style="success" %}
**📅Update: 2020/08/17**
{% endhint %}

Read the corresponding answer for the frequently asked questions by clicking the page link to the particular topic below or jump to the corresponding page in the LEFT/TOP LEFT navigation list. 

## **Most Common FAQs**

{% content-ref url="/pages/hp885gupxjJ6uEK8lmg2" %}
[How to toggle developer tools on Rotrics Studio](/faq-troubleshooting/faqs/how-to-toggle-developer-tools-on-rotrics-studio.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvaitsc0Mwo2WhqV1s" %}
[How to re-calibrated DexArm or reset encoder values?](/faq-troubleshooting/faqs/how-to-re-calibrated-dexarm-or-reset-encoder-values.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEv\_w8bMnEWtJpIQWoK" %}
[How to upgrade DexArm's firmware?](/faq-troubleshooting/faqs/how-to-upgrade-rotrics-firmware.md)
{% endcontent-ref %}

{% content-ref url="/pages/-M7bqge7iAYviJ2aIOf8" %}
[How to upgrade the touchscreen firmware?](/faq-troubleshooting/faqs/upgrade-touchscreen-firmware.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvbM\_x6p2xFzbYHGE1" %}
[How to send third-party G-code files with Rotrics Studio?](/faq-troubleshooting/faqs/how-to-send-third-party-g-code-files-with-rotrics-studio.md)
{% endcontent-ref %}

{% content-ref url="/pages/-Lvh\_dyEq\_jiXFNma0LX" %}
[How to replace filament?](/faq-troubleshooting/faqs/faq-replace-filament.md)
{% endcontent-ref %}

## General

{% content-ref url="/pages/-MEv\_w8bMnEWtJpIQWoK" %}
[How to upgrade DexArm's firmware?](/faq-troubleshooting/faqs/how-to-upgrade-rotrics-firmware.md)
{% endcontent-ref %}

{% content-ref url="/pages/-M7bqge7iAYviJ2aIOf8" %}
[How to upgrade the touchscreen firmware?](/faq-troubleshooting/faqs/upgrade-touchscreen-firmware.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvaitsc0Mwo2WhqV1s" %}
[How to re-calibrated DexArm or reset encoder values?](/faq-troubleshooting/faqs/how-to-re-calibrated-dexarm-or-reset-encoder-values.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvbM\_x6p2xFzbYHGE1" %}
[How to send third-party G-code files with Rotrics Studio?](/faq-troubleshooting/faqs/how-to-send-third-party-g-code-files-with-rotrics-studio.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvb\_pTa7xqQ5XHe1AB" %}
[Broken mention](broken://pages/-MEvb_pTa7xqQ5XHe1AB)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvbqvXzMvxP\_j6QquO" %}
[How to change touchscreen language?](/faq-troubleshooting/faqs/how-to-change-touchscreen-language.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvc2H9KWHJc9n3r3Y\_" %}
[How to execute SD card files?](/faq-troubleshooting/faqs/how-to-execute-sd-card-files.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvc6pl-IWSker-OWE3" %}
[Why can't I copy G-code files to the Touchscreen directly?](/faq-troubleshooting/faqs/why-cant-i-copy-g-code-files-to-the-touchscreen-directly.md)
{% endcontent-ref %}

## Writing\&Drawing

{% content-ref url="/pages/-MEvcQ98bpLw\_1Oz79NK" %}
[How to write/draw with different colors?](/faq-troubleshooting/faqs/how-to-write-draw-with-different-colors.md)
{% endcontent-ref %}

## Laser Engraving

{% content-ref url="/pages/-MEvcfbYAB6AzKtWTcoZ" %}
[Why it misses part of the image when drawing?](/faq-troubleshooting/faqs/why-it-misses-part-of-the-image-when-drawing.md)
{% endcontent-ref %}

## 3D Printing

{% content-ref url="/pages/-Lvh\_dyEq\_jiXFNma0LX" %}
[How to replace filament?](/faq-troubleshooting/faqs/faq-replace-filament.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvd8TPRMpf4LnKPwyH" %}
[How to level DexArm manually?](/faq-troubleshooting/faqs/how-to-level-dexarm-manually.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MG6a1ZoN89vuKqny3Z3" %}
[Why my 3D printing module is clogged?](/faq-troubleshooting/faqs/why-my-3d-printing-module-is-clogged.md)
{% endcontent-ref %}

## Teach\&Pneumatic