DIY open source inkjet printers offer a sustainable and customizable printing solution. They eliminate the need for unnecessary plastic and reduce carbon emissions from shipping. With these printers, you only replace what's broken, avoiding the cycle of buying new ones due to planned obsolescence. They're versatile, suitable for everything from art projects to printing on unconventional materials like toilet paper. Plus, they offer more security for printing sensitive information, sidestepping the data recovery issues common with commercial printers.
avoiding unnecessary plastic parts in most commercial printers
avoiding shipping carbon-fingerprint cost
fully customization and artistic projects
when your printer will break down, you won't buy a new one like nowadays with commercial printers, you'll just replace or fix the part that is malfunctionining in your open source.
no more planned-obsolence chips or drivers added by the manufacturer to force keep replacing their expensive ink cartridge.
More secure printer, e.g. for printing QR-Codes of cryptographic keys (many commercial printers on the market allow recovering recently printed documents from memory)