Canon IR8500N hang when startup (cannot loading)

[isophian@gmail.com]

Hi all, i have machine ir8500n, my problem is when i turn on the machine i can see the word "Wait" and the progress bar run until 25% and then hang.. I've cleared the memory RAM maybe soiled by the dust using the eraser but the machine still hang or no respon until progress bar 25%, what can i do..? thank you

[Aneurysm]

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