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  1. #11
    Field Supervisor 500+ Posts digicor's Avatar
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    Re: BH C258 not toning up K

    okay that makes sense

  2. #12
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    Re: BH C258 not toning up K

    What's the TCR ratio for black?
    If it's under 5.5% and could not raise it by manual TCR toner add check toner hopper.
    Does C-2557 appear?
    Any strange sound during toner add?

    Regarding motors.....
    There are 4 toner bottles on the back, and also 3 more motors for color hoppers. If your black toner bottle is turning there is no need to replace motors on the back.

    Motor for black hopper is in front (on hopper itself).
    Remove all the drums and developers, output tray, front door and cover, then hopper 4 screws, 2 connectors on left, and 1 on right.
    You can try to turn gears of black hopper manually and check if it's turning all the way. (when you look at gears it's anti-clockwise direction)

    At last you can check white bushing in front and if there's toner inside it. If so replace it with modified one (with metal bearing inside) This was problem with 4 series.

    Good luck

  3. #13
    Field Supervisor 500+ Posts digicor's Avatar
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    Re: BH C258 not toning up K

    Okay i cleaned out the toner path, and the motor in front did turn all the way but in the second go around, the front moror is not rorating and making a straining noise
    Is the motor fualty? Or is the gear cluster binding? It did bind up when i turned it manually, but not after i vacked out all the piled up toner in the hopper

  4. #14
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    Re: BH C258 not toning up K

    Motor should be OK, it's (usually) stuck gears that prevent motor to turn them and thus making noise.
    On high meter counter, you should remove front white bushing, and rear bushing; gears and shaft also.
    Vac out and assemble. Pay attention that bushings should be put in place to the end so the gears can be in correct position. If front white bushin has toner inside - replace.

    I had on brand new machine a foreign particle stuck between the gears, motor making noises, code c2557.
    After removing, it's working like a charm.

  5. #15
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    Re: BH C258 not toning up K

    part# for the bushing handy?

  6. #16
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    Re: BH C258 not toning up K

    A5C1RA0000 bushing

    If there's no toner inside it, it's not the cause of the problem.

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