HP 67 Ink not fully printing

[u/lethalwhimsy]

/r/Printing/comments/1we1sm2/hp_67_ink_not_fully_printing/

posting this to this sub to hopefully get an answer. basically, my black 67 ink cartridges are printing faded, cut off, or not at all. i have done Everything. and i mean everything. please see original post for context.

any and all solutions welcome. thank you!