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error HP
Error Code Supply problem
Toner cartridge or supply issue detected — generic cartridge or supply error.
? What Causes This
Missing, incompatible, protected, or unauthorized toner cartridge installed.
✓ How to Fix It
- Remove the toner cartridge.
- Reinsert it firmly.
- If error persists, visit www.hp.com/support/ljM255.
Source: page 8 of the official manual
From the manual
This error code appears in:
HP Color Laserjet Pro M255 M256 Printer