Universal Cartridge Fix
🔧 Works for All Brands
- Remove cartridge and check for protective tape
- Clean gold/copper contacts with lint-free cloth
- Clean printer contacts inside cartridge slot
- Reinstall firmly until it clicks
- Reset printer (power off 60 seconds)
- Update printer firmware if available
HP Fix
Disable cartridge protection in printer settings
Canon Fix
Hold Stop/Reset for 5 seconds to override
Epson Fix
Use chip resetter for third-party ink