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- HP Community
- Printers
- DesignJet, Large Format Printers and Digital Press
- Re: T1200 printer firmware update fails

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06-23-2021 06:54 PM
Per the instructions on the HP firmware page to install these two files in this order, I successfully updated to TT6-TTAJ_08_02_03.3.90
however the second file - TT6-TTAJ_08_04_00.1 has failed multiple times. I tried both the webpage and the HP utility and loading the file from a USB all 3 give the same result, update failed. The file size is different than what HP says it should be if that matters.
06-24-2021 02:46 PM
How different was the size? I downloaded to test and it shows as a 456mb file or 479,047,680 bytes
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.
06-24-2021 09:18 PM
You may need to run a disk integrity check before you try again. You can also try by inserting the stick into the formatter with the device powered off and then starting it.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.
06-28-2021 06:31 AM
Thanks for your response. I tried power off -usb in -power on, it gave error "file not valid" I am using a fat32 formatted drive and the firmware file is the only file on the drive. I will look into disk integrity you mentioned.
07-28-2021 01:25 PM
Still trying to solve this. I am wondering if I am able to roll back to a previous version of the firmware then try again the two-step process that is currently on the HP website? I have looked and have not been able to find anything older than the two versions that are on the website currently.