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  1. #11
    Just a tech 250+ Posts keithxxiii's Avatar
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    Re: Ricoh Mp 7500 print only b/w no prints grayscale

    Is the process control ok? You said you have replaced most of the parts, so I'm wondering if you have executed the process control settings. How bout your firmwares? Printer driver? Toner? Would you mind sharing the SP data of your device?
    Aye! Cut the crap

  2. #12
    Senior Tech 250+ Posts 8T2's Avatar
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    Re: Ricoh Mp 7500 print only b/w no prints grayscale

    Quote Originally Posted by pakobernal View Post
    I think I have not explained myself well, when I print a photo on the mp7500, the print has no grays, no details, very loaded with toner, practically all black, an example:

    Photo ok, print with other mp7500: photo-ok — imgbb.com
    Photo no ok: photo-no-ok — imgbb.com

    This happens printing and copying

    I have changed development unit, charge unit, image unit, transfer unit, boards, etc, of the other machine, and the quality doesn't change, any ideas?
    OP mentioned doing it both copying and printing

    Sent from my ALE-L02 using Tapatalk

  3. #13
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    Re: Ricoh Mp 7500 print only b/w no prints grayscale

    Quote Originally Posted by keithxxiii View Post
    Is the process control ok? You said you have replaced most of the parts, so I'm wondering if you have executed the process control settings. How bout your firmwares? Printer driver? Toner? Would you mind sharing the SP data of your device?
    SKMBT_C35319021811540.pdf

    The last thing I have left to change is a polygonal motor and the laser diode
    Last edited by pakobernal; 02-20-2019 at 08:40 AM.

  4. #14
    Senior Tech 2,500+ Posts
    Ricoh Mp 7500 print only b/w no prints grayscale

    mikadonovan's Avatar
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    Re: Ricoh Mp 7500 print only b/w no prints grayscale

    Quote Originally Posted by pakobernal View Post
    SKMBT_C35319021811540.pdf

    The last thing I have left to change is a polygonal motor and the laser diode
    I would be upset with this issue, too. It's so dark you can't even see her boobs clearly. Seriously overtoned. After seeing what you have already replaced, I'm wondering if you have a bad ID sensor. Maybe you should clean the id sensor, detone the machine to an acceptable CQ level and then set developer . If detoneing does not give you a halfway decent print, it may be an image processing issue. Drum ground?IPU? I just thought of something, make sure the filters are clean. I used to have a bunch of these machines, and image quality issues would appear if the filters were clogged up.
    NEVER ASSUME ANYTHING

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