> For the complete documentation index, see [llms.txt](https://ressources.technoculture.club/riso/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ressources.technoculture.club/riso/troubleshooting.md).

# TROUBLESHOOTING (RZ900U)

- [Problems making Master Copies](https://ressources.technoculture.club/riso/troubleshooting/problems-making-master-copies.md)
- [Paperjams](https://ressources.technoculture.club/riso/troubleshooting/paperjams.md)
- [Adding a Paper Size](https://ressources.technoculture.club/riso/troubleshooting/adding-a-paper-size.md)
- [Problems with Paperfeeding](https://ressources.technoculture.club/riso/troubleshooting/problems-with-paperfeeding.md): My paper keep misfeeding, what do I do? My paper keeps multi-feeding, what do I do?
- [File not printing](https://ressources.technoculture.club/riso/troubleshooting/file-not-printing.md)
- [Roller Marks](https://ressources.technoculture.club/riso/troubleshooting/roller-marks.md): My print have roller marks, what does that mean ? How do I get rid of them ?
- [I want to change the ink of a drum](https://ressources.technoculture.club/riso/troubleshooting/i-want-to-change-the-ink-of-a-drum.md)