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  1. E

    iP4200 BK disappeared

    Only for PGBK.
  2. E

    iP4200 BK disappeared

    There is still PGBK ink left, sure. Much good it will make me now... Thanks a lot for tip no. 4! Still, what should have been the proper procedure in this situation? Just soak and let it dry? No cleaning sessions afterwards? Or, rather, seeing as there are lots of used 4200s floating around...
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    iP4200 BK disappeared

    Here's how it looked before I tried soaking the head, and after.
  4. E

    iP4200 BK disappeared

    here
  5. E

    iP4200 BK disappeared

    And I already did a LOT of test prints in between the cleanings...
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    iP4200 BK disappeared

    Oops indeed. Nothing to post, really - it's just an empty BK line, (no letters, no grid, nothing) followed by the rest of the colours intact.
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    iP4200 BK disappeared

    Hi folks! I had a small problem with my InkTek replacement inks lately - that is, I've used the very last drops to refill my BK 'inkpot'. Should've said 'dregs', because the black nozzle immediately begun clogging up. After several deep cleaning sessions I decided to soak the printer head...
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    Mysterious disappearing non-clogging related (?) banding issues on iP4200

    I pretty much knew what had been wrong before (half of my cyan nozzles not working). What does this new issue tell you of the exact problem?
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    Mysterious disappearing non-clogging related (?) banding issues on iP4200

    An small update, if you will. Now my test prints look like this: Note the lower half of the letters. It used to be solid black not so long ago. Also, my full-size prints how have this wide-ish discoloured streak running near the bottom of the page: Could this be related to the previously...
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    Mysterious disappearing non-clogging related (?) banding issues on iP4200

    Well, here's the service test print, if that's of any help. . As I've said, increasing colour intensity in print options solved the issue with regular plain paper prints. High-quality prints on photo paper show no signs of insufficient cyan intensity at all.
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    Mysterious disappearing non-clogging related (?) banding issues on iP4200

    I still don't quite get what's going on to understand what exactly am I loosing in print quality - colour intensity or resolution?
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    Mysterious disappearing non-clogging related (?) banding issues on iP4200

    According to this manual, the only time iP4200 is printing unidirectionally is when printing grayscale on envelopes. However, it specifies that there indeed is a matter of the number of passes: 1 pass in normal colour and grayscale printing and 2 passes and more in borderless, photo paper, etc...
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    Mysterious disappearing non-clogging related (?) banding issues on iP4200

    Tested that and found out that Duplex Printing is the culprit. Set 'on', and there are coloured striped 'grayscale' prints on both 32-bit WinXP and 64-bit Win7. Set 'off', and there's pure grayscale.
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    Mysterious disappearing non-clogging related (?) banding issues on iP4200

    Łukasz, thanks a ton for the explanation! Can I find more information on which printing conditions trigger this unidirectional operation?
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    Mysterious disappearing non-clogging related (?) banding issues on iP4200

    But why on Earth would this electric failure only manifest itself under certain conditions I described?! I mean, one moment it couldn't print a simple check pattern properly, but set to borderless it managed to print 100+ full colour pages, four hours straight, without a hitch. What is so...
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    Mysterious disappearing non-clogging related (?) banding issues on iP4200

    I'm rather new to the world of refilling, but here's my story. In short, my printer has colour banding issues with cyan-based colours, but only under certain printing (software?) conditions. I've a second-hand PIXMA iP4200 with a new print head. Never used it for colour printing, and never...
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