Question about Sharp AR-C270 Color Copier

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L4-05 error code

The L4-05 error code is an indication of a problem in the color developer drive system. This problem was only infrequent at first but is now constant. So far I have tested the motor in the appropriate sim 25-1 test. The motor runs seemingly ok. I have installed a new DV motor for the color developers with no success. All fuses are good.The load appears to be all right. I am down to one connector board, one PCU main board, and two ribbon cables. I am trying to find a way to eliminate the components without going to the expense of buying the parts. I did change the developer mix and went through the setup but the machine ran ok right after that. I sure would appreciate some help. Thanks, Gerry

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If you set up dev with 25-02,and L4-05 came up then the most likely cause is a worn out developer drive gear ( CGERH1291FC01 )

Posted on Jul 27, 2007


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