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    Canon MG5550 Service mode ??

    thats the method I tried originally. I think the service mode must be locked - and that method is probably the correct one
  2. T

    Canon MG5550 Service mode ??

    no difference mate...the second power press equates to turning off, and the five slow resume presses don't alter that :-( it still turns off. At least with the standard method the error light and power light were alternating with each press, as if something was happening.
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    Canon MG5550 Service mode ??

    doesn't seem to work but will keep trying. printer starts to boot after first power press. continues during second press + resume 5x upon releasing both it just goes through close down process.
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    Canon MG5550 Service mode ??

    Help. Tried holding power plus 2 resume...5 resume...6 resume....no go Either boots as normal or sits frozen. Other printers fine, just this mg5550 wont go into service...what is the correct method ? Lights are power light and error light, no green light. They do alternate during presses...
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