Question about Canon PIXMA MP780 All-In-One InkJet Printer
Printer will not print in Black ink cartridge are full. what gives what do i need to do to get it printing again. color works fine.
Both blacks are in your print driver test pattern?
Go into the maintence menu and choose nozzle check.
It should rint a test pattern with the first grid being labled "PGB" if not your head is clogged.You can tru a solution of 20-25% ammonia to water and soak the black print head for a half an hour.Then completely dry the electrical contacts and re-install.
If that does not do it I have a more aggressive solution that requires a baster.
Posted on Jun 17, 2009
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Posted on Jan 02, 2017
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