Samsung ML-4512ND-XAA - Manual (Page 95)

Understanding display messages
95 4. Troubleshooting
Toner-related messages
Message Meaning Suggested solutions
• IMG. Not Compatible
• Imaging unit is not compatible.
Check guide.
The imaging unit you have installed is not for
your machine. Install a Samsung-genuine imaging unit, designed for
your machine.
• IMG. Not Installed
• Imaging unit is not installed. Install
the unit.
The imaging unit is not installed or the
CRUM in the imaging unit is not properly
connected. Reinstall the imaging unit two or three times. If the
problem persists, call for service.
• Not Supply Toner
• Did not supply enough toner.
Reinstall Toner.
The machine cannot supply toner. Thoroughly roll the cartridge five or six times to
distribute the toner evenly inside the cartridge.
• Prepare IMG. unit
• Prepare new imaging unit.
The estimated imaging unit life is close. Prepare a new imaging unit for replacement.