[Error Code] KONICA 7145 ERROR 51-4

[legaspiclg]

Hi Everybody,
Good day, I have a Konica 7145, which was indicating error 51-4, i already replace it with my 2 spare SYSTEM CONTROL BOARD UNIT, i already replaced the third unit from my other machine, Is there other way to reset the BOARD so that i can use it again, or maybe there is something in the machine the causes the board to develop the error 51-4?
Please help.

[Luther]

Re: KONICA 7145 ERROR 51-4

did you try the developer drive motor? there are 2 identical motors on the back of the machine switch them around and see if the code changes. one is the developer drive motor and the other is drum drive

[legaspiclg]

Re: KONICA 7145 ERROR 51-4

Hi,
Thank you very much for your kind reply, i did already what you said but the error was still the same, to be able to remove the error is to replace the system control board. can i used the motor which is on the lowest part of the machine, which is located on the 3rd paper cassette.?
Thank you very much.

[kingarthur]

Re: KONICA 7145 ERROR 51-4

you've possibly got a blown ICP on the PRCB....

[JustManuals]

Re: KONICA 7145 ERROR 51-4

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[juve]

Re: KONICA 7145 ERROR 51-4

Hi Everybody,
Good day, I have a Konica 7145, which was indicating error 51-4, i already replace it with my 2 spare SYSTEM CONTROL BOARD UNIT, i already replaced the third unit from my other machine, Is there other way to reset the BOARD so that i can use it again, or maybe there is something in the machine the causes the board to develop the error 51-4?
Please help.

did you checked the dev unit,maybe mag roller is siezed due to worn out gear assy at dev unit.so 1st try to replace dev.unit