Recent content by l_c

I solved my iP4500 problem. ;) I purchased a new print head; QY6-0075 (direct replacement for the original QY6-0067 in my printer). Cost to me was about 100 USD including postal mail (arrived in a couple of days). The printer worked fine afterward. :ya So I gather that there was excess current...

I am having problems with my iP4500 (it powering itself off, abruptly). Here is a cell phone picture of the system interface side of the print head. At first glance I notice the five pads which are the same node, upper-right in this picture. So are those one of the DC rails, or are they ground...

I had the same sort of problem. I believe that my power supply is good, and that my logic board is good. And I am (tentatively) glad for that. I don't know whether my issue is with the print head, or is a mechanical issue (friction?), or could be a regulation (power supply) fault. Am hoping that...