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All black w/ Canon IP8720 not quite opaque

Posted: Mon Mar 04, 2024 10:32 pm
by Globesignco
My IP8720 is starting to give me less-than-opaque positives. It leaves some random banding and a slightly porous overall deposit. Still blocks enough light for screenwork, but if it gets any lighter, we're dead in the water. Ran basic cleaning procedure, no change. Print Settings are still set for screenprinting. Should I reload printfab or the printer driver maybe?

Re: All black w/ Canon IP8720 not quite opaque

Posted: Tue Mar 05, 2024 4:09 pm
by zedonet
Hello, if the print quality is deteriorating and you see "random banding", the problem may be caused by the print head or ink cartridges.

As a first step, please make sure that the print head and ink supply is working properly by printing a nozzle test page:

PrintFab App -> button "Toolbox" -> "Nozzle Check".

Compare the printed page to the attached image - the staircase pattern at the top (Pigment Black) and the black rectangle at the bottom (Photo Black) must be present.

iX6820 Nozzle Check.jpg
iX6820 Nozzle Check.jpg (16.75 KiB) Viewed 4780 times

Please send a photo of your nozzle test page.