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  1. ninj

    MG7550: error 6502 after soaking printhead

    Hi folks Can anyone tell me what stupid thing I've done wrong? Background: my MG7550 has been unused for a year or so, apart from light scanning duties, as it was in need of a printhead cleaning that I never got around to. So I finally soaked the printhead in Fairy liquid for a few hours (kept...
  2. ninj

    iP8750 6A80 error

    Oh dear.... my iP8750 has suddenly stopped working. A little while after a successful A4 photo print I noticed that the two lights (power and amber) were flashing on and off in an alternating pattern. The printer reports a 6A80 error. Turning it off and on doesn't help. Some googling indicates...
  3. ninj

    Aomya refillable Canon 551 carts

    I'm thinking about getting a spare set of refillables and have been looking at these Canon 551 refillable carts from Aliexpress, trying to understand the refill instructions. The listing is from the manufacturer (Aomya), so I assume they know what they're talking about. Quote: "Adopts No-sponge...
  4. ninj

    iP8750: Does opening cover consume ink?

    Quick question, if I may. I like to visually check the ink levels in my refillable carts on a regular basis so that I can refill them when the non-sponge side runs low (the good people on this forum, as well as my own experience, have taught me not to trust the ARC chips). If I open the cover...
  5. ninj

    Pixma iP8750 starvation problem

    I would be grateful for some guidance. My magenta nozzle check is showing starvation (some ink, with U-shaped gap) which persists no matter which cartridges (551) I insert. I have tried 2 sets of refillables and an OEM. The background to this is that I was having magenta nozzle check problems...
  6. ninj

    Slight problem with MG7550 nozzle check

    Hi I've had an MG7550 for about a month and am using OCP ink and refillable cartridges - I'm generally very happy with the photo output. The carts have ARC chips that reset at 20%, but (probably because I only filled the sponge section, as per the supplied instructions) the ink started running...
  7. ninj

    6500a has stopped printing colour

    I've been successfully refilling my Officejet 6500a (using OEM 920XL cartridges refilled with OCP ink) for quite some time. But a few days ago it dumped a streak of cyan onto the page followed by complete cyan starvation. There was still plenty of ink left (measured by weight) but I swapped over...
  8. ninj

    Colour correction on HP Officejet 6500a

    Just a quick note to share my experiences with getting the colour approximately 'right' on my Officejet 6500 all-in-one wireless printer. Unfortunately, as far as I'm aware (please correct me if I'm wrong) there is no way of overriding colour management in the printer driver, so no point in...
  9. ninj

    Print head problem (Officejet 6500A Plus)

    Hi I'm have print quality problems with my HP Officejet 6500A Plus. I tried refilling the original (intro) cartridges by injecting OCP ink via the vent hole, but was getting flow problems. After trying various things I removed the print head and soaked it in hot water in case there was a...
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