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  1. 02-29-2024 #1
    WisamM
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    Konica Minolta c454e error code P-5 P-28 P-21

    Hello experts
    The problem started when the client had a dark printout, so I started with the Gradation Adjust-stabilizer process but the machine showed the value 0 `Zero` for all values.
    so according to the Service manual, I restarted the machine and printed the demo page and the result was good. I tried to continue the Gradation Adjust - stabilizer process but every time I got Stabilizer NG.
    I changed the transfer belt and cleaned the 2 IDC sensors and I still got Stabilizer NG (can not continue the process to click print or copy).
    now I have three error codes:
    P-5 IDC Sensor (Front)
    P-28 IDC Sensor (Rear)
    P-21 Color Regist Test Pattern
    The machine is working properly but I need to fix those errors to continue the Gradation Adjust process.
    Any suggestions ???
    Thanks in advanced
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  2. 02-29-2024 #2
    Albonline
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    Re: Konica Minolta c454e error code P-5 P-28 P-21

    Quote Originally Posted by WisamM View Post
    Hello experts
    The problem started when the client had a dark printout, so I started with the Gradation Adjust-stabilizer process but the machine showed the value 0 `Zero` for all values.
    so according to the Service manual, I restarted the machine and printed the demo page and the result was good. I tried to continue the Gradation Adjust - stabilizer process but every time I got Stabilizer NG.
    I changed the transfer belt and cleaned the 2 IDC sensors and I still got Stabilizer NG (can not continue the process to click print or copy).
    now I have three error codes:
    P-5 IDC Sensor (Front)
    P-28 IDC Sensor (Rear)
    P-21 Color Regist Test Pattern
    The machine is working properly but I need to fix those errors to continue the Gradation Adjust process.
    Any suggestions ???
    Thanks in advanced

    what condition are the other consumables? Developers, drum units.
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  3. 02-29-2024 #3
    WisamM
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    Re: Konica Minolta c454e error code P-5 P-28 P-21

    Quote Originally Posted by Albonline View Post
    what condition are the other consumables? Developers, drum units.
    Very good. you can check the attached test page.
    Attached Files Attached Files
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  4. 02-29-2024 #4
    Albonline
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    Re: Konica Minolta c454e error code P-5 P-28 P-21

    did you try reset and stabilize? the machine will never be happy while failing stabilizer. what are the tcr numbers looking like?
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  5. 02-29-2024 #5
    Albonline
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    Re: Konica Minolta c454e error code P-5 P-28 P-21

    is the shutter over the sensors opening? how did you clean them.
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