Question about Canon Toner Cartridge For Cnm Ir 6570, Black

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00121 - 0001 - Canon Toner Cartridge For Cnm Ir 6570, Black

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Hello, if this is the corect error then:
FM4 controller cooling fan
cools the laser unit,
developing block drive
block, and controller yes
(24/12 V)

In the back of the scanner unit there is a fan, check if that fan is working, if not replace it.

Posted on May 13, 2014

  • Marius Chiriac May 13, 2014

    After you check the fan from the scanner assy check the fan from the back of the copier,the fan cools the laser assembly, developing assembly, drive assembly, controller



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