> 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.md).

# 🔧FAQ & Troubleshooting

- [❓FAQs](https://manual.rotrics.com/faq-troubleshooting/faqs.md)
- [Received an Error message in Rotrics Studio?](https://manual.rotrics.com/faq-troubleshooting/faqs/received-an-error-message-in-rotrics-studio.md)
- [How to toggle developer tools on Rotrics Studio](https://manual.rotrics.com/faq-troubleshooting/faqs/how-to-toggle-developer-tools-on-rotrics-studio.md)
- [How to re-calibrated DexArm or reset encoder values?](https://manual.rotrics.com/faq-troubleshooting/faqs/how-to-re-calibrated-dexarm-or-reset-encoder-values.md)
- [How to upgrade DexArm's firmware?](https://manual.rotrics.com/faq-troubleshooting/faqs/how-to-upgrade-rotrics-firmware.md)
- [How to upgrade the touchscreen firmware?](https://manual.rotrics.com/faq-troubleshooting/faqs/upgrade-touchscreen-firmware.md)
- [How to send third-party G-code files with Rotrics Studio?](https://manual.rotrics.com/faq-troubleshooting/faqs/how-to-send-third-party-g-code-files-with-rotrics-studio.md)
- [How to replace filament?](https://manual.rotrics.com/faq-troubleshooting/faqs/faq-replace-filament.md)
- [How to change touchscreen language?](https://manual.rotrics.com/faq-troubleshooting/faqs/how-to-change-touchscreen-language.md)
- [How to execute SD card files?](https://manual.rotrics.com/faq-troubleshooting/faqs/how-to-execute-sd-card-files.md)
- [Why can't I copy G-code files to the Touchscreen directly?](https://manual.rotrics.com/faq-troubleshooting/faqs/why-cant-i-copy-g-code-files-to-the-touchscreen-directly.md)
- [How to write/draw with different colors?](https://manual.rotrics.com/faq-troubleshooting/faqs/how-to-write-draw-with-different-colors.md)
- [Why it misses part of the image when drawing?](https://manual.rotrics.com/faq-troubleshooting/faqs/why-it-misses-part-of-the-image-when-drawing.md)
- [How to level DexArm manually?](https://manual.rotrics.com/faq-troubleshooting/faqs/how-to-level-dexarm-manually.md)
- [Why my 3D printing module is clogged?](https://manual.rotrics.com/faq-troubleshooting/faqs/why-my-3d-printing-module-is-clogged.md)
- [🔑Troubleshooting](https://manual.rotrics.com/faq-troubleshooting/troubleshooting.md)
- [“G-code sending task started...”  Error](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/g-code-sending-task-started...-error.md)
- [Laser module won't light](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/laser-module-wont-light.md)
- [Rotrics Studio "Internal error occurred"](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/rotrics-studio-internal-error-occurred.md)
- [Failed to upgrade Rotrics DexArm's Firmware](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/failed-to-upgrade-rotrics-dexarms-firmware.md)
- [Fix the clogged 3D printing nozzle](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/troubleshooting.md)
- [Replace the cracked case](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/cracked-case.md)
- [How to Fix a Black Screen after upgrading the firmware?](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/troubleshooting-black-screen.md)
- [DexArm couldn't connect to my computer](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/troubleshooting-cant-connect.md)
- [DexArm beyond limits/stuck problem](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/dexarm-beyond-limits-stuck-problem.md)
- [DexArm movement accuracy problem](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/dexarm-movement-accuracy-problem.md)
- [The pen doesn't write with ink](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/the-pen-doesnt-write-with-ink.md)
- [3D printing module won't heat up](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/3d-printing-module-wont-heat-up..md)
- [The Arm doesn't move, only filament comes out](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/the-arm-doesnt-move-only-filament-comes-out.md)
- [Software connect problem after safety enclosure installed](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/software-connect-problem-after-safety-enclosure-installed.md)
- [Safety enclosure wiring changes](https://manual.rotrics.com/faq-troubleshooting/troubleshooting/safety-enclosure-wiring-changes.md)