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Unable to activate WF-2850

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Trying to activate my wf2850. I get an update failed message. My printer doesn’t even show up

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14 hours ago, Lh1982 said:

Trying to activate my wf2850. I get an update failed message. My printer doesn’t even show up

Hi!

You have to try to install firmware in a normal mode.

Here is a written and video instruction how to do it.

Please watch carefully and try it!

 

https://inkchip.net/download/INKCHIP Instruction Method 14 (for 99 firmware).pdf

 

https://youtu.be/oF0DsDVPT7k

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