10.2 Paper jam
Follow each of these steps until the paper jam is cleared.
1. Press the Power button to turn off the printer.
2. Disconnect the power cable and the USB cable from the rear of the printer.
3. Remove the paper from the In tray.
4. If you are printing labels, verify that a label did not become detached from the
label sheet while passing through the printer.
5. Remove the rear access door. Press the handle to the right, and then pull out
the door.
6. Remove the paper jam from the back of the printer, and then replace the rear
access door.
HP Deskjet 3840 series printer
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7. Reload paper in the In tray.
8. Reconnect the power cord and USB cable.
9. Press the Power button to turn on the printer.
10. Reprint the document.