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  1. #1
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    Konica c451 Open Cover Error on boot up

    Hi,

    Anybody every have a Konica c451 Open Cover Error on boot up. The Error states "the part indicated by the > arrow is open. Ensure that it is properly closed." Well there is no arrow pointing to any cover being open. Cannot print with this standing error. Any help would be appreciated. I also tried a hard reset.


  2. #2
    All things Konica Minolta 1,000+ Posts Stirton.M's Avatar
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    Sometimes the machine can get stupid and needs a good firm kick...open and close every available door, cover on the machine one at a time. If it does not correct itself, call a service tech to look at the machine. It could need a firmware reflash, or there is some other issue not readily apparent from a user perspective.

    "Many years ago I chased a woman for almost two years, only to discover that her tastes were exactly like mine: we both were crazy about girls."
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  3. #3
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    Disconnect the finisher and bridge unit and see if message goes away, if so trouble shoot for a bad MS that detects the open/closed position of the finisher shutter. Emujo


  4. #4
    FORMER Techie 1,000+ Posts tcs04's Avatar
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    Quote Originally Posted by Oscar57 View Post
    Hi,

    Anybody every have a Konica c451 Open Cover Error on boot up. The Error states "the part indicated by the > arrow is open. Ensure that it is properly closed." Well there is no arrow pointing to any cover being open. Cannot print with this standing error. Any help would be appreciated. I also tried a hard reset.
    If it was a Ricoh, I would be looking at the laser safety circuit! I assume the K M is similar. Will look when I get time.


  5. #5
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    Quote Originally Posted by emujo View Post
    Disconnect the finisher and bridge unit and see if message goes away, if so trouble shoot for a bad MS that detects the open/closed position of the finisher shutter. Emujo
    That was it. Thanks for your help!


  6. #6
    All things Konica Minolta 1,000+ Posts Stirton.M's Avatar
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    This is the second time I noticed you compare a ricoh to a Konica...last time I looked, there are no similarities between the two company lines, aside from both using similar technology to make a print using the toner method.

    "Many years ago I chased a woman for almost two years, only to discover that her tastes were exactly like mine: we both were crazy about girls."
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  7. #7
    FORMER Techie 1,000+ Posts tcs04's Avatar
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    You would be surprised!


  8. #8
    All things Konica Minolta 1,000+ Posts Stirton.M's Avatar
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    Well, for one, there is no laser safety circuit.

    "Many years ago I chased a woman for almost two years, only to discover that her tastes were exactly like mine: we both were crazy about girls."
    ---Groucho Marx


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  9. #9
    FORMER Techie 1,000+ Posts tcs04's Avatar
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    Quote Originally Posted by Stirton.M View Post
    Well, for one, there is no laser safety circuit.
    Next time I'm at a 451, I'll open the covers and check!!


  10. #10
    All things Konica Minolta 1,000+ Posts Stirton.M's Avatar
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    All switches (both optical and mechanical) related to the doors on any KM machine will trigger an open signal on the control panel, with a picture of the open part indicated on the control panel. And as such, ANY open door will shut down the print head, regardless. Previous generations, the print heads were separate for all four colours, and they employed a mechanical cover on the PH unit itself that closed when an IU was pulled out. That was the extent of the "safety" on that series. C451, the PH unit is an all in one design but also employs a mechanical cover when the IU is removed. Situations like the one above, are not typical of a properly running machine. Emujo's explanation illustrates that some areas internal can trigger this issue if the optical sensor is damaged or there is a board level problem.

    "Many years ago I chased a woman for almost two years, only to discover that her tastes were exactly like mine: we both were crazy about girls."
    ---Groucho Marx


    Please do not PM me for questions related to Konica Minolta hardware.
    I will not answer requests or questions there.
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