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  1. #1
    Service Manager 1,000+ Posts
    C3850 light on black only

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    C3850 light on black only

    This client is remotely located so it’s hard to deal with . They recently complained that the black print is very light . We sent them a new black imaging unit and new oem black toner and they have the same result. Any ideas?
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  2. #2
    Field Supervisor 500+ Posts Woxner's Avatar
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    Re: C3850 light on black only

    have the pull the i/u out and use the wand to clean the laser glass

  3. #3
    Technician Jkearbey's Avatar
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    Re: C3850 light on black only

    Definitely check the LSU glass but if they are far from your office then bring a Primary Transfer belt. I have had the BK roller under the belt pop out of its rear holder. Also check the right side door and make sure its closed properly, it is notorious for uneven latching. One more item to double check is the paper guide below the TX belt, its the one you must release and push downwards to remove the belt. I have seen it left in the down position by techs and on accident by the customer, make sure you hear it click in place properly. Might want to bring a fuser with you too since its so far, they fail sometimes and can leave the machine down but this is unrelated to your question. Good luck.

  4. #4
    Service Manager 1,000+ Posts
    C3850 light on black only

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    Re: C3850 light on black only

    It was the laser glass! Yer awesome! I don’t know why I was over thinking that?!?!?

  5. #5
    Service Manager 5,000+ Posts tsbservice's Avatar
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    Re: C3850 light on black only

    Quote Originally Posted by mrfuser View Post
    It was the laser glass! Yer awesome! I don’t know why I was over thinking that?!?!?
    Read Woxner's post. With all due respect, credit should be given him.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

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    I don't reply to private messages from end users.

  6. #6
    Service Manager 5,000+ Posts
    C3850 light on black only

    copier tech's Avatar
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    Re: C3850 light on black only

    Quote Originally Posted by mrfuser View Post
    It was the laser glass! Yer awesome! I don’t know why I was over thinking that?!?!?
    It cost you an image unit & toner when should have been a 5 min free fix & no downtime for your customer a lesson learnt.
    Let us eat, drink, and be merry, because tomorrow we may die!

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