!
error HP
Error Code Jam in tray 1
Paper jam detected in tray 1 — paper is stuck in the feed mechanism.
? What Causes This
Paper fed incorrectly or debris in tray 1 feed path.
✓ How to Fix It
- Open tray
- Remove any stuck or torn paper.
- Press OK button to resume.
Source: page 8 of the official manual
From the manual
This error code appears in:
HP Color Laserjet Pro M255 M256 Printer