On Sun, 6 Jul 2008 03:01:23 -0700, HP d145 Printer wrote:
BTW, before I realized what solvent to use to clean the dried ink in the
printheads, I tried water, vinegar, isopropyl alcohol, and windex
(ammonia).

My hands were full of ink.

Guess what cleaned the water-soluble ink off the best?

Nope.

Water worked just OK. Alcohol sucked. Windex (in combination with water)
worked best. Vinegar didn't do diddly squat.

So, here's what I recommend:
a. Use Windex (ammonia) solutions to clean the printheads bottom
b. Use Alcohol (isopropyl) solutions to clean the printhead electrical
contacts

Why the alcohol for the electrical contacts?
Cuz they're not that filthy (so it works well enough) and 'cuz alcohol
dries very quickly so water conduction won't short anything out.