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error HP
Error Code Print density adjustment error
Misconfiguration or setup issue affecting print quality control parameters — check settings and media.
? What Causes This
Settings too light, EconoMode active, incorrect media use.
✓ How to Fix It
Adjust settings for optimal density. Disable EconoMode as necessary. Verify proper media selection.
Source: page 97 of the official manual
From the manual
This error code appears in:
HP Laserjet 1300 Printer