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- HP Community
- Printers
- DesignJet, Large Format Printers and Digital Press
- B3614D38 HP Designjet T520

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2 REPLIES 2
09-23-2020 09:41 PM
Most likely the mainboard has failed.
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I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.
10-01-2020 07:32 AM
Hello
You need to replace the encrypted chip
It is inside the printer in usb slot
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