Question about Canon MultiPASS MP730 All-In-One InkJet Printer
I have 3 MP780s' and I have a similar problem. I'm guessing that you are printing majority heavily colored pictures. We found out the problem when we used refilled cartridges. We'd print 1-4 pages before we have a problem w/ 1 color not coming out. We would switch to OEM cartridges and the problem disappears. I'm guessing that you don't have this problem when you are printing text based items or doing slow printing. If so then that means by setting the print speed slower, there is a chance you will minimize the problem.(This is just an alternative.) If you have this problem w/ OEM or refilled cartridge, I suggest you to go to a pharmacy and get a small 10 syringe that has a screw-in lock for the needle. You won't need needles just the syringe. The diameter of the syringe should match the BCI-3e cartridges opening (except for the black). Put the syringe there and **** out some ink. Maybe 0.5-2 ml. Most likely you will get bubbles and I think this might be what is called a vapor lock. I've never seen this happen to OEM cartridges but I've seen them happen on refilled cartridges. But hey, maybe there's a first time. I'm assuming that your OEM cartridges are more than half full. Let me know if this helps.
Just to clarify, when you od the nozzle cleaning, do you do a print test after. From the print out you can see which color is clogged up. Work on that cartridge.
Posted on Jul 22, 2008
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Posted on Jan 02, 2017
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