Just a quick check, is the memory stick formatted to FAT32 format?
HP has fully tested the following USB flash drives with the printer:
- SanDisk Cruzer Micro: High-speed, 0120-256, 256 MB
- Iomega Micro Mini: Full-speed, 064-0417450-YCAE032171, 128 MB
- Kingston DataTraveler II: High-speed, KF112504 f5274-006, 128 MB and 256 MB
- Lexar Media JumpDrive: 256 MB
NOTE: You might be able to use other USB flash drives with the printer. However, HP cannot guarantee that they work correctly with the printer because they have not been fully tested.
Also, Update the printer firmware
Download available firmware updates from the HP website
With the printer on and connected to the computer, go to HP Customer Support - Software and Driver Downloads, and then identify your printer. Look for and install any available firmware updates. Refer to the document HP Printers - Updating or Upgrading Printer Firmware
If the issue persists, we can perform a complete reset on the printer and try again.
Keep me posted.
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