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  1. #1
    scott beeler
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    ricoh 3260<locked up sc-622 , 670,202,497,498. wrenchs at power on

    locked up 622 code

  2. #2
    Technical/IT Support 500+ Posts Venom's Avatar
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    SC622 D LCT communication error
    Communication between the
    copier and LCT is interrupted.
    An ACK/NCK signal was not
    received within 100 ms after a
    data frame is sent and 3 retries
    failed.
    • Connection cable between the LCT and
    copier is disconnected, defective
    • LCT main board defective
    • BCU defective
    • PSU defective
    SC624 D Mailbox-to-copier communication error
    Communication between
    IBM, Mita, Konica Minolta, Ricoh, Kyocera, HyPAS, Canon, Oce, Samsung, HP, TEO IP PBX/Unified Communications, Comptia Network+ Comptia PDI+ Certifications

  3. #3
    Senior Tech 100+ Posts spaceman99's Avatar
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    sc 622 caused by the cable in tray 1 LCT rubbing on the frame. causes itermittent fault sc622. NOT PCB's I had this Ricoh are now aware. repaired by taping of all the sharp edges.

  4. #4
    FORMER Techie 1,000+ Posts tcs04's Avatar
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    Quote Originally Posted by spaceman99 View Post
    sc 622 caused by the cable in tray 1 LCT rubbing on the frame. causes itermittent fault sc622. NOT PCB's I had this Ricoh are now aware. repaired by taping of all the sharp edges.
    Had similar on AF2075, Blacked out the op panel. opened right tandem tray and fault cleared. check the loom behind the lower left corner of the right hand tandem cover, it can short against the centre support rail.

  5. #5
    Service Manager 250+ Posts turbojetboy's Avatar
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    Quote Originally Posted by spaceman99 View Post
    sc 622 caused by the cable in tray 1 LCT rubbing on the frame. causes itermittent fault sc622. NOT PCB's I had this Ricoh are now aware. repaired by taping of all the sharp edges.
    Hi spaceman, I have a MPC7500 that is at nearly 2 million and is starting to give intermittent sc622, it does seem to be related to the deck however for the life of me I cant see any worn thru wiring. Can you advise me where exactly you have seen the worn wiring? Cheers.

  6. #6
    Field Supervisor 500+ Posts Vulkor's Avatar
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    Could be THIN Sheathing on the Wires too. You can have voltage leak throw a thin enough shielding with the proper metals.

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