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Автор Тема: fix scx 3400  (Прочитано 7019 раз)

Оффлайн ProData

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fix scx 3400
« : Октябрь 17, 2012, 11:54:43 am »
Hi,
any solutions for compare two firmware, one is original and second is fix file, but fix is generated from SN of printer and CRUM number

Оффлайн Aleksey Mo-skin

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Re: fix scx 3400
« Ответ #1 : Октябрь 17, 2012, 12:39:38 pm »
Hi!
there is only CRUM, it is encrypted. Need a debugger for ARM (ARM7 Big endian), and memory map.
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Re: fix scx 3400
« Ответ #2 : Октябрь 17, 2012, 12:51:49 pm »
Ok, it is very interasting. I have four mfp scx 3400f, and  pay for one fix firmware, so it is ok. But I search for solution to change crum number. I have solution to use CRUM (chip) fix firmware and use on new printer and update firmware. After that is working fine.

I write from Bosnia and my english is not good,