mike wrote:
I tried cleaning HP heads with an ultrasonic cleaner.
INK has to be soluble in the cleaning fluid. And if it's dry inside,
May never get enough backwards thru the hole to wet the dry stuff.
Can't say I was successful.

Windex seems to work well as a cleaning solution for print heads.

--
John Miller
email address: domain, n4vu.com; username, jsm
Surplus (FSoT):
New Conn V1 double trumpet case, no logo
Tektronix 465B oscilloscope
New leather business case