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Thread: Ricoh mpc3501

  1. #1
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    Ricoh mpc3501

    Black display show image anY ideas thanks

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  2. #2
    It's not easy being green 1,000+ Posts Cipher's Avatar
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    Re: Ricoh mpc3501

    Is there any print engine activity / movement on power up?

    If there is try accessing the web interface and seeing if there is any error code displayed.

    If it just sits there with a green light and no engine activity on power up it could be number of things.

    • Missing voltage range / check blown fuse conditions on the PSU.
    • Faulty PSU
    • Faulty controller
    • Faulty polygon mirror motor / BICU
    • Knowledge not shared, is eventually knowledge that becomes lost... like tears in the rain.

    Fully qualified technician for Ricoh - Canon - Sharp - HP - Brother

  3. #3
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    Ricoh mpc3501

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    Re: Ricoh mpc3501

    If you can access WIM, check the status for error codes. SC 202, SC 203 or SC 204 would indicate a blown polygon mirror motor. On some models, the polygon mirror motor will also take out the BICU. Replace both as a set to prevent blowing the new part if you only replace one.

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    Re: Ricoh mpc3501

    Quote Originally Posted by Cipher View Post
    Is there any print engine activity / movement on power up?

    If there is try accessing the web interface and seeing if there is any error code displayed.

    If it just sits there with a green light and no engine activity on power up it could be number of things.

    • Missing voltage range / check blown fuse conditions on the PSU.
    • Faulty PSU
    • Faulty controller
    • Faulty polygon mirror motor / BICU
    No activity

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  5. #5
    Field Supervisor 500+ Posts Zeldaman's Avatar
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    Re: Ricoh mpc3501

    Hi there!
    Take a flashlight in an angle of ca. 45 degrees & look if can see the errorcode on the display. As slimslob mentioned the BICU/polygonmotor you can see the error-code with this trick.
    Greetings...

  6. #6
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    Re: Ricoh mpc3501

    Taking a solution from a previous thread...and we used successfully.
    If this is a SC 202 resulting from a bad polygon and the BICU has also failed.
    Take a look at the BICU for a tiny resistor (very tiny) near the lower right power connector. There is a row of them, they all have a "0" printed on them, except for the one which is "burnt"
    If your good with soldering, there were some who have replaced them. I just soldered across the resistor and has been good for quite a while now. ( I did replace the polygon to prevent another failure)
    Figured it would need a new BICU anyway, nothing lost in trying.

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