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  1. #21
    Service Manager 2,500+ Posts
    Konica Minolta c554e Print quality issues

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    Re: Konica Minolta c554e Print quality issues

    Quote Originally Posted by narellano2 View Post
    I will order a new toner filter also.

    Oh Okay great information. I am a bit of a novice here so forgive me; but the suction ports are in the back of the machine where the vents are? The toner filter is in that area as well?
    See this bulletin for more info the service manual is not much help for this issue.

    Premature Developer Unit Failure - Image Unit Failure V2 - copierfirmware.co.uk.pdf
    Let us eat, drink, and be merry, because tomorrow we may die!

    www.copierfirmware.co.uk

  2. #22
    Technician
    Konica Minolta c554e Print quality issues

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    Unhappy Re: Konica Minolta c554e Print quality issues

    Hello,

    I hope everyone is doing well. So I was able to finally work on this machine. I cleaned out the ports in the back, they honestly didn't look to bad. I swapped out the dev units for both the cyan and black as well as new drum units.
    So the print quality is much better now. Unfortunately, I am now getting c-2557 errors now after a few prints go through.

    searching the forum it seems like that error could be quite a number of things.

  3. #23
    Service Manager 2,500+ Posts
    Konica Minolta c554e Print quality issues

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    Re: Konica Minolta c554e Print quality issues

    Quote Originally Posted by narellano2 View Post
    Hello,

    I hope everyone is doing well. So I was able to finally work on this machine. I cleaned out the ports in the back, they honestly didn't look to bad. I swapped out the dev units for both the cyan and black as well as new drum units.
    So the print quality is much better now. Unfortunately, I am now getting c-2557 errors now after a few prints go through.

    searching the forum it seems like that error could be quite a number of things.
    Low black density, the most likely cause is the white bushing on the front of the hopper clogged up.

    Modified part number is A5C1RA0000 - Bushing
    Let us eat, drink, and be merry, because tomorrow we may die!

    www.copierfirmware.co.uk

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