> 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/troubleshooting/the-pen-doesnt-write-with-ink.md).

# The pen doesn't write with ink

It may be that the pen is turned upside down for a long time during long-distance transportation, and please shake the tip of the pen several times before use. If it still cannot write, please replace it with another pen.
