I used to be able to print anything on my MP620B using my MacBook Pro with OS X Snow Leopard and my son's Lenovo with Windows 7. When I upgraded OS X to El Capitan, Canon has no corresponding driver for it so I saved my docs to be printed in Google Docs and accessed them in my son's laptop for printing. At some point, I replaced the 4 small ink tanks (only the big black tank wasn't replaced). Then I read in one forum where this poster said he downloaded a driver for the old OS X Mavericks although he has the OS X El Cap. It worked for him. I did the same thing and now the printer only spews out blank pages. Even sending the print jobs from the Lenovo results in blank pages. I tried the "Test Page" through the printer utility screen in both computers and I got a page with the 3 magenta bars blank. I did the nozzle check, etc using the printer menu itself and it printed the test page ok (including magenta). And now here's what makes me scratch my head: I downloaded the coupon printer in the L'Oreal website in my MBP and printed a hair color product coupon and another coupon from the Walmart website. Both coupons printed ok. Why can't I print anything else?
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12/05/2023: New firmware updates are available.
09/26/2023: New firmware updates are available.
08/18/2023: Canon EOS R5 C training series is released.
07/31/2023: New firmware updates are available.
05/18/2023: New firmware updates are available.
03/30/2023: New firmware updates are available.