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  1. #1
    copiertech 500+ Posts
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    C253 faded image

    Hey everyone:
    I am working on a C253 that has me scratching my head. It is producing faded images (prints and copies). When I do an initialize and stablize, copies and prints look good, as soon as you either do a gradation or power cycle the machine it starts producing faded images again. This is affecting both colour and black. I have tried transfer belt and roller, adjusted printhead skew (because they were way off). All settings appear OK, I compared with a C353 I have in shop also.
    Any suggestions would be appreciated
    Darren

    I have attached samples. The first set are after initialize/stablize, O is for original C is for copy
    Second set is after gradation and power cycle.
    Attached Files Attached Files
    Last edited by Darren King; 05-09-2013 at 09:13 PM.

  2. #2
    Senior Tech 250+ Posts ck1's Avatar
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    Re: C253 faded image

    I also facing this issue... the other technician said PWB MFB ( no change yet ) . i try rewrite firmware still same

  3. #3
    Senior Tech 250+ Posts
    C253 faded image


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    Re: C253 faded image

    Worked on millions of these your copies look pretty normal to me. The first thing I would do is clean the optics make sure you use decent paper for setting up the gradation as a copier I always up the density by 1 as its default. If your imaging units are not perfect when you setup the gradation or the optics are dirty you can make the image super faint like this.

    So I would
    check your optics
    check the imaging units
    use decent paper and setup gradation etc

    Then if its still faint I would initialise stabilizer and leave it on zero's half the machines I've seen the copy quality is actually best this way.

  4. #4
    Field Supervisor 1,000+ Posts RRodgers's Avatar
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    Re: C253 faded image

    I've said it once before and I'll say it again, I NEVER expect a copy of a print out that just came off the machine to look any good. This goes double for one of the test prints.
    Color is not 4 times harder... it's 65,000 times harder. They call it "TECH MODE" for a reason. I have manual's and firmware for ya, course... you are going to have to earn it.

  5. #5
    copiertech 500+ Posts
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    Re: C253 faded image

    Quote Originally Posted by RRodgers View Post
    I've said it once before and I'll say it again, I NEVER expect a copy of a print out that just came off the machine to look any good. This goes double for one of the test prints.
    I didn't say that I cared about the difference between the print and the copy. I said, after initialize/stablize prints and copies look good. After power cycle OR gradation copies AND prints are faded. (please see samples)

  6. #6
    Senior Tech 250+ Posts ck1's Avatar
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    Re: C253 faded image

    Quote Originally Posted by Darren King View Post
    I didn't say that I cared about the difference between the print and the copy. I said, after initialize/stablize prints and copies look good. After power cycle OR gradation copies AND prints are faded. (please see samples)
    I post tihs issue before. but i think their not understand what i said too .I will try swap the NVram . Did you try it before change MFB ?

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