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  1. #11
    Lead Service Technician 1,000+ Posts mrfixit51's Avatar
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    I would suggest that now that you have a working box that you reload the correct software, and set it to overwrite the existing software to make sure that all the files are fresh...

  2. #12
    Senior Tech 1,000+ Posts kuby's Avatar
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    Could be something causing it not to print in the system software or switches of the machine. Had a problem with a ir5000 not wanting to print, after checking and reloading system software with no help, I finally did a MMI Clear and then after putting back in the IP address and the other setting, everything starting working. Have had to use the MMI clear a couple of times after that on other machine, always worked.

  3. #13
    Service Manager 100+ Posts CanonHPTech's Avatar
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    Make sure your CA Key isn't corrupted. Check it under System Settings/Network Settings/TCP-IP Settings/Certificate Settings. If you don't have a green light or its not installed, you will not print. Have to generate a new key.
    The glass maybe half full, but less is more...
    Printer + Fax + Copier = Jack Of Many Trades,
    but Master Of None
    Color Copier = Not A Color Printer
    InkJet MFP = Not A Fax Machine
    B/W Copier = Not A Press
    Finisher = Deal Closer (salesman, not accessory)
    Copier Tech = Admin's Stress Ball (Scapegoat)

  4. #14
    Service Manager 10,000+ Posts
    More iR4570 problems

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    Quote Originally Posted by CanonHPTech View Post
    Make sure your CA Key isn't corrupted. Check it under System Settings/Network Settings/TCP-IP Settings/Certificate Settings. If you don't have a green light or its not installed, you will not print. Have to generate a new key.

    what key / certificate are u talking about ?

    Multi-Pdl E1 Kit does not have a License Key Certificate for 4570
    it included a N Boot Rom

    Printer kits with boot rom-have no license


    The Printer Kits for many of the newer Canon devices are LMS based. The Boot ROM on these devices will always end with a C.
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  5. #15
    Lead Service Technician 1,000+ Posts mrfixit51's Avatar
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    I believe he is referring to the CA-Key Clear in second level of Service Mode. That can become corrupted. He is not referring to a license key, as in the LMS system...

  6. #16
    Service Manager 10,000+ Posts
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    Quote Originally Posted by mrfixit51 View Post
    I believe he is referring to the CA-Key Clear in second level of Service Mode. That can become corrupted. He is not referring to a license key, as in the LMS system...

    ok !!/ have seen that issue only with a message on control panel> Corrupt Key

    Generating a Key Pair and Server Certificate/ instructions below

    certificate_key.pdf
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  7. #17
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    Ah, well we might be on to something! I did have to generate a new key, as I was receiving a corrupt key error. The procedure seemed to work OK, and the message was gone afterward, but it did all start happening at the same time that printing apparently quit working.

  8. #18
    Service Manager 10,000+ Posts
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    Quote Originally Posted by Pete Gossett View Post
    Ah, well we might be on to something! I did have to generate a new key, as I was receiving a corrupt key error. The procedure seemed to work OK, and the message was gone afterward, but it did all start happening at the same time that printing apparently quit working.

    That Control Panel>Corrupt Key Message would have helped right from the start.

    Good luck on the Fix~~~~~~~~~~~~~~~~
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  9. #19
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    Honestly, I'd forgotten about it, as it was over a week between fixing the other iR4570, and finally getting word that this one hadn't been printing the entire time.

    I just tried inputting another default key, but do I need to delete the old one first, or after I've created a new one?

  10. #20
    Service Manager 10,000+ Posts
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    Quote Originally Posted by Pete Gossett View Post
    Honestly, I'd forgotten about it, as it was over a week between fixing the other iR4570, and finally getting word that this one hadn't been printing the entire time.

    I just tried inputting another default key, but do I need to delete the old one first, or after I've created a new one?
    FIRST u can clear CA-KEY IN LEVEL 2


    1. Go to ADDITIONAL FUNCTIONS>SYSTEM SETTINGS>NETWORK SETTINGS>TCP/IP SETTINGS>CERTIFICATE SETTINGS>
    2. Generate Key
    3. Key Name: Input CANON
    4. Select 1024 as the key length
    5. Input the current date as the start date
    6. Input an end date with current month and date settings but with the year listed as 2025
    7. Start Key Generation
    8. Go to Certificate Settings and select Key and Certificate List
    9. Highlight Default Key and press Erase
    10. Exit out of System Settings and Additional Functions.
    11. Cycle Main Power of copier.
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

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