The Canon ImageCLASS MF4350d is an all-in-one color inkjet printer released in 2008.

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system error , E100

Error, E100

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E100 is laser related error.

You can try to reconect the conectors on dc controler board, and on laser unit, clean the laser, check if the laser shuter is broken.

If notthing helps the next step would be to chnage the laser unit and/or dc pcb


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