!
error HP
Error Code 13.JJ.NT Jam In Tray 1
Paper jam detected in tray 1.
? What Causes This
Paper feed path obstruction, torn paper in tray, or paper misalignment.
✓ How to Fix It
- Check paper is loaded correctly in tray
- Open and close the top cover to clear the jam.
- Remove any torn paper pieces.
- Verify paper guides are correctly positioned.
Source: page 142 of the official manual
From the manual
This error code appears in:
HP Laserjet 1010 Printer