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Thread: C7301 TA 4501I

  1. #1
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    C7301 TA 4501I

    Greetings all. I have a 4501i giving a C7301 error.Checked toner hopper unit motor and developer unit in Maintenance Mode , all was well.I tried original developer unit and toner hopper unit in a working machine and no issues.I replaced toner hopper unit, Front PWB as suggested by Service Manual. No joy. The next step is the Engine PWB. Need some advice as to what else should I check before replacing Engine PWB.

  2. #2
    Master Of The Obvious 10,000+ Posts
    C7301 TA 4501I

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    Re: C7301 TA 4501I

    The machine that I worked on had a bad piezo sensor on the toner hopper. But it sounds like you've covered that possibility. =^..^=
    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.
    5) You are the person onsite. Only you can make observations.

    blackcat: Master Of The Obvious =^..^=

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    Re: C7301 TA 4501I

    check the connector were the hopper assy plugs into on machine, I had one with a bent pin

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    Field Supervisor 500+ Posts Geo's Avatar
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    Re: C7301 TA 4501I

    After checking the pins , if no joy, try doing MM 021 as a Hail Mary. This once worked for me.

  5. #5
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    Re: C7301 TA 4501I

    Thanks for all the helpful advice. In the end it really was a bent pin where the toner hopper plugs into. Straighten it back and all is well. Thanks again.

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    Re: C7301 TA 4501I

    I have same problems in 3500i Koycera Taskalfa. C7301 code appearing. How i open Toner hopper motor . Where is located

  7. #7
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    Re: C7301 TA 4501I

    Quote Originally Posted by Azeem Khkh View Post
    I have same problems in 3500i Koycera Taskalfa. C7301 code appearing. How i open Toner hopper motor . Where is located
    remove the toner hopper, remove the toner hopper cover, 3 screws.
    blow the marked sensor with a can of air and reassemble, error should clear.
    Attached Images Attached Images

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