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Error Codes

What does error code 79:04 mean on my HP DesignJet?

Answer

Error 79:04 is a critical firmware error indicating an unrecoverable problem with the printer's operating system. The printer cannot function until this is resolved.

Video Guides

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DesignJet T7100 Error 79:04

11 years ago

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HP Printer Error 79 [Fixed] | Printer Tales

Fixing a 49 or 79 Error on HP Printers

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