@DP728 Welcome to HP Community!
I understand that the 9010 printer having paper jam issue.
Step 1: Clear jammed paper from inside the printer
Remove any loose or jammed paper from inside the printer.
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Turn on the printer.
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Open the front door, and then lift the ink cartridge access door.
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Front door
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Ink cartridge access door
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Wait until the carriage stops moving before you continue.
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With the printer turned on, disconnect the power cord from the rear of the printer.
warning:
To avoid risk of injuries or electric shock, you must disconnect the power cord before reaching inside the printer
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Move the print carriage to the far left and far right, and remove any jammed or torn pieces of paper.

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Remove the paper path cover.

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Use both hands to remove any jammed paper from inside the printer.

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Align the sides of the paper path cover to the guides inside the printer, and then slide it into the printer.

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Make sure the paper path cover sits fully in place. It should be fully seated without either edge closer to the side than the other.
Good
Bad


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Close the ink cartridge access door, and then close the front door.

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Reconnect the power cord, and turn on the printer.
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Try to print. If the error persists, check for jammed paper in another area of the printer.
Please refer to the below link as well.
https://support.hp.com/us-en/product/hp-officejet-pro-9020-all-in-one-printer-series/23918456/docume...
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