• ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
  • ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
Guidelines

Featured blog article:

Get help with Large Format Printers, with direct access to all Large Format Knowledge Center· Ask anything · Find anything · Share anything at HP LKC
Locked

‎01-05-2023 06:53 AM - edited ‎01-05-2023 08:02 AM

HP Recommended

The device belongs to one of our customers. It only shows a blue screen in the printer display with the error-code B374734A. Otherwise, nothing works anymore. What could be causing this error?

Category:
1 ACCEPTED SOLUTION

Accepted Solutions

‎01-09-2023 04:36 AM - last edited on ‎01-09-2023 06:19 AM by Retired

HP Recommended

request a usb firmware part or call to replace the firmware usb

Original New USB CQ891-67097 For Designjet T120 T520

View solution in original post

1 person found this reply helpful
Was this reply helpful? Yes No
1 REPLY 1

‎01-09-2023 04:36 AM - last edited on ‎01-09-2023 06:19 AM by Retired

HP Recommended

request a usb firmware part or call to replace the firmware usb

Original New USB CQ891-67097 For Designjet T120 T520

1 person found this reply helpful
Was this reply helpful? Yes No
Warning
Be alert for scammers posting fake support phone numbers and/or email addresses on the community.
If you think you have received a fake HP Support message, please report it to us by clicking on "Flag Post".
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the Terms of Use and Rules of Participation.
Didn't find what you were looking for? Ask the community
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.
-->