Yeah the dried ink was what was really killing me with the rarely used inkjet. Every time you use an inkjet that hasn't been used in a while, the printer actually dumps out a bunch of ink into a "waste pad" in the machine to help clean out the nozzles.
Remarkably, the color laser printer still has 4 different toner cartridges in it -- it's remarkable how almost the entire cavity of this small machine is mostly toner: