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  1. #11
    Junior Member
    Join Date
    Jan 2012
    Posts
    6
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    Re: C451 Won't Add Yellow Toner

    Hello
    i have had the same issue with black toner not loading so far I have replaced toner hopper assembly, black pcu assembly, toner bottle and performed trouble reset still no clue as to what's causing it but its definately frustrating!


  2. #12
    Technician
    Join Date
    Feb 2011
    Location
    New, Orleans
    Posts
    48
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    0

    Re: C451 Won't Add Yellow Toner

    Try replacing the bottle drive assembly. If you have replaced the following:
    Subhopper assembly,
    toner bottle
    iu. ( includes tcr)

    try replacing the bottle drive. I had a problem on cyan where it would say bottle empty after a day and still have a full bottle or the developer would run out of the iu. This is caused by the customer slamming the toner bottle. A good way to check is by looking at the bottle drive shaft and seeing if the coupler is crooked or popped away from the drive. Coupler is located behind the toner bottle in the machine


  3. #13
    Technician
    Join Date
    Sep 2013
    Location
    Vancouver BC
    Posts
    31
    Rep Power
    9

    Re: C451 Won't Add Yellow Toner

    I had the toner bottle drive gear problem on I believe the yellow IU. Prob wacked a bottle in there and it pushed the drive gear in the machine out of wack. Went in there with a real long screwdriver and managed to straighten it out. I think it's pushed forward by a spring to engage the bottle auger. Pull the bottles out and look at those drive gears with a flashlight.

    Quote Originally Posted by MILLER4157 View Post
    Try replacing the bottle drive assembly. If you have replaced the following:
    Subhopper assembly,
    toner bottle
    iu. ( includes tcr)

    try replacing the bottle drive. I had a problem on cyan where it would say bottle empty after a day and still have a full bottle or the developer would run out of the iu. This is caused by the customer slamming the toner bottle. A good way to check is by looking at the bottle drive shaft and seeing if the coupler is crooked or popped away from the drive. Coupler is located behind the toner bottle in the machine



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