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- HP Community
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- Printer Setup, Software & Drivers
- Solved- Cannot detect HP LaserJet 1020 when connected by US...

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12-10-2023 11:15 PM
I work as a technician in my day job, so I decided to tackle this problem for my Dad's new computer. When he plugs in his old HP LaserJet 1020, nothing happens and it does not appear as an available printer. I found a couple of people with this exact same problem on this forum, but I was not able to add my discoveries to those threads, so I will just type it here.
What gave me a clue was that Device Manager was detecting it, however it was not in the Printers category. It was sorted under "Universal Serial Bus controllers." As I was unsuccessfully right-clicking and manually installing INF files from the Full Solution installer package, I decided to snoop around the properties of HP102064.CAT and noticed there was a tab for Digital Signatures.
Because I follow tech news, I know about expired certificates breaking websites and stuff. I wondered if the printer certificates were too old and not being installed. I clicked Details, View Certificate, and Install Certificate. After that, the printer installed successfully for me. I hope this helps someone else.
-John
Install certificate for printer driver.