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  1. #1
    Senior Tech 100+ Posts
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    Light Copy In MP2501SP

    Dear All,
    I replaced complete kit (drum, developer, cleaning blade, charge roller, hot roller, press roller, thermisters) after completing his life, before replacing parts copy quality is light and after replacing parts problem is still same,
    there is a lot off background in copy.

  2. #2
    Service Manager 1,000+ Posts Polarbear's Avatar
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    Re: Light Copy In MP2501SP

    When you replaced these parts, did you set the corresponding bits in SP mode so that the machine does process control on first start, after the parts were fitted?

    Can you possibly post a sample of the print?
    Press the GREEN button!!

  3. #3
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    Re: Light Copy In MP2501SP

    Quote Originally Posted by Polarbear View Post
    When you replaced these parts, did you set the corresponding bits in SP mode so that the machine does process control on first start, after the parts were fitted?

    Can you possibly post a sample of the print?
    After replacing parts we did devloper initialization by sp2801-01
    Kindly guide me if did any mistake or forget something

  4. #4
    Service Manager 1,000+ Posts Polarbear's Avatar
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    Re: Light Copy In MP2501SP

    Quote Originally Posted by mdfurqan2012 View Post
    After replacing parts we did devloper initialization by sp2801-01
    Kindly guide me if did any mistake or forget something
    My apologies - i was thinking of an MPC.

    I had a look in the service manual and your dev init. procedure was correct.

    Have you printed a SMC report to check what the VSP and VSG readings are.

    Seeing that you replaced most of the image area items, one needs to look elsewhere for the cause of the light copies.

    What is the current copy count? What is the condition of the transfer roller? Is it installed properly and are all of the springs and contacts in place?
    Press the GREEN button!!

  5. #5
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    Light Copy In MP2501SP

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    Re: Light Copy In MP2501SP

    If it is only copying that is light but printing, counter sheet and SMC prints are good, you need to clean the optics. Dirty mirrors, etc at power up will make the white reference look gray. The machine adjusts its gray scale to make this be considered white which lightens the entire gray scale.

  6. #6
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    Re: Light Copy In MP2501SP

    Quote Originally Posted by slimslob View Post
    If it is only copying that is light but printing, counter sheet and SMC prints are good, you need to clean the optics. Dirty mirrors, etc at power up will make the white reference look gray. The machine adjusts its gray scale to make this be considered white which lightens the entire gray scale.
    Counter and SMC printout is also light.
    there is no sharpness on counter printout as well as SMC printout.
    there is background and a black line of almost 1/2 inch on the edge on the back side of counter printout.

  7. #7
    Field Supervisor 500+ Posts Bantams's Avatar
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    Re: Light Copy In MP2501SP

    Quote Originally Posted by mdfurqan2012 View Post
    Counter and SMC printout is also light.
    there is no sharpness on counter printout as well as SMC printout.
    there is background and a black line of almost 1/2 inch on the edge on the back side of counter printout.
    Did you fit the wrong dev as its different to the MP2000?

  8. #8
    Senior Tech 100+ Posts redneckstylin's Avatar
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    Re: Light Copy In MP2501SP

    clean the laser glass

  9. #9
    Service Manager 1,000+ Posts digicor's Avatar
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    Re: Light Copy In MP2501SP

    it does sound like a very dirty laser lens
    Back grounding is caused by a few things, charge roller seated correctly over the metal spring like contacts? this is the main reason ive had this issue, from re assembly one may get skewed and not be under the charge roller
    DV Contacts making good connection, DV roller needs to be cleaned (scrub it with a scotch brite pad or fine steel wool) but this is no good if you dont want to waste the DV
    Drum Contacts also need to make good contact

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