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  1. M

    Canon MP620 not printing black

    I think I'm going to call it a day on this one, I'm not that confident of my ability to take a printer to bits. Plus I've now had a couple of error 5001 messages and I can't find the jam that it applies to. Thanks very much to everyone who's chipped in here, I really appreciate all the help on...
  2. M

    Canon MP620 not printing black

    Thanks turbguy, Test 1 - passed Test 2 - failed. Windex (well, Mr Muscle glass cleaner, but apparently it contains the same ammonia stuff) disappears almost as fast as I can tip it onto the pad. None remains. So looks like a leak in the purge system? And is it fixable? Looks like a right faff...
  3. M

    Canon MP620 not printing black

    Well I've taken the printer head out and given it a gentle clean with damp tissue paper, but it's still not doing what it should. I've had a google of testing/fixing the purge unit but I couldn't find anything that looked reliable. M
  4. M

    Canon MP620 not printing black

    Thanks very much for the detailed help here. The failure was abrupt, there was no gradual loss of print quality, and there is no sign of any black on the test pattern where the PGBK should be. I've lifted the lid of the printer and had a look where the print heads normally park. There seems to...
  5. M

    Canon MP620 not printing black

    I'm having a problem with my Canon MP620. I did my first refill using Octoink's kit last week, using the top fill method which seemed to go well at the time. Now the black pigment ink isn't working. All four other colours are fine. I would post a link to a test pattern, but this site won't let...
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