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navid_totalcare
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Message 1 of 3
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designjet t770 79:04 at startup

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dear guys i have designjet t770 44" with hard disk. after some problem and in order to solve my problem i replace the formater and hard disk , but when the device turn on after 65% progress shown 79:04 error code. i reset EEROM, recovery hard disk , and file system chek run. but when i tried to upgrade the firmware from usb interface said the firmware is not valid, i try different version firmware from hp but not work. i need plt version of firmware and if anybode has the same problem please help Regards

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davidzuts
Level 13
7,130 6,101 558 941
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What usb method did you use. The best is to load the firmware in the root directory of a usb thumb drive and then place the thumb drive in the usb port on the top of the plotter and then turn on the plotter and it should load the firmware automatically.
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navidparse
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i do this. first the designjet athenticate the usb flash with firmware and ask about update the firmware and after accept massage appear remove usb flash. after that in display shown checking firmware and after 40 seconds said the firmware in the usb flash is not valid and restart the designjet and after 65% show 79:04. i tried several version of firmware. help!

 

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