Question about Canon PIXMA MP750 All-In-One InkJet Printer
When printing in colour or a nozzle check the 6BK and 6Y print as solid two tone bars. I have performed both internal and a physical print head cleaning but it has made no difference. All other colours print correctly.
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Posted on Jan 02, 2017
SOURCE: Canon iP5000 not printing black
Here is the link to the user guide if you need it; http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=SupportDetailTabAct&fcategoryid=257&modelid=10439 If you have performed all the operations in there with no success, then the part of the printhead that is under the 6bk has some blockages. This is best cleaned by dripping some ink flush solution (use gin if you have none) into the print head from above (just at the point where the hole on the ink cartridge would sit. Very gently swab with a q-tip from below with more fluid. After a day or so with the fluid penetrating from the top, clean the bottom again, clean out any excess fluid you can from the top (don't get any q-tip fluff in there). Then run a clean/test again. Hopefully this can solve your problem after a few cleans, but blocked Canon printheads are not always unblockable. You can purchase the complete replacement printhead, although I wasn't able to find a price - this link for service; http://www.usa.canon.com/consumer/controller?act=ServiceLocatorAct&fcategoryid=184&modelid=10439 Hope this helps :)
Posted on Jul 20, 2007
If you're concerned with a clogged printhead try to clean it with acetone solution. Also, check the cable connections to your printerheads they might be loosened..
Posted on Apr 09, 2008
You can try this I found.
Reset Procedures for Canon i550, i560, i850, i860, i865, i9100, i9950 Printers
All The Best: Pineworks
Posted on Feb 10, 2010
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