So, the other day I got a ‘working’ HP DesignJet 130nr and started trying to fix it. I guess the LM print head started to clot up during storage and transport.

On a side note – I found out there’s a reason HP call this series of printers ‘Ultra Low End‘. I can’t recommend getting one of these to anyone, even for free.

Anyway, since I was working with a syringe on the printer anyway (air in the ink-tubes.. again.. see above) I decided to find out how much ink was left in the LC cartridge that I had replaced last week. Continue reading A word on empty ink cartridges →