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‎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?

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Accepted Solutions

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

HP Recommended

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

Original New USB CQ891-67097 For Designjet T120 T520

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1 REPLY 1

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

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
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