My IP7250 on PC with W10x64bit started to skip whole parts of the page. Skipping means not printing them (I am not talking about moving paper too fast so printer head cannot put ink on it, it sounds like it is printing but there is no ink on specific areas of the page). There are no sign of any misprint, testprint grid looks perfect but part of it is missing. You can see that even PGBK description letters are only half printed (right part of the picture below right part). CMY and BK are fine, BGBK is the problem. The same applies to text printing where you can see it skips specific areas of the page (left part of the picture below).
Printer deep cleaning routine, driver reinstall, print head cleaning by medical alcohol did not help. Would you please suggest how to solve the problem? Thank you.
