Ricoh MP7500

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  • Zoran
    replied
    Re: Ricoh MP7500

    Replace laser diode from aficio 1060 to mp 5500 6500...
    Attached Files

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  • dooman
    Guest replied
    Re: Ricoh MP7500

    SC220? What is this?I want the official MP7500 service manual

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  • Llama God
    replied
    Re: Ricoh MP7500

    Originally posted by earth81
    Hi!

    SC220? What is this? The official MP7500 service manual say nothing!
    It's usually the laser sync detector board (accessed from the right hand side of the machine, above the bypass behind 2 fans above the dev unit) or the laser diode unit, or the polygon mirror motor. I've had all three, unfortunately.

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  • earth81
    replied
    So many thanks for your help

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  • teebee1234
    replied
    Re: Ricoh MP7500

    It's in there, but you were probably looking at the B064 section. The B140/B246/D052 is further down in the manual, which has this.....

    220 Laser synchronization detection error

    The 1st laser synchronization detection
    unit could not detect the line
    synchronization signal (DETP0) within
    500 ms while the polygon mirror motor
    was operating at normal speed.

    NOTE
    : The unit polls for the signal
    every 50 ms. This SC is issued after the
    10th attempt fails to detect the signal.

    B246/D052

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  • earth81
    started a topic [Error Code] Ricoh MP7500

    Ricoh MP7500

    Hi!

    SC220? What is this? The official MP7500 service manual say nothing!
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