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Light sequences
Invalid network code - On
- Blinking
- On
Cartridge region mismatch - On
- Blinking
- On
Invalid refill, Change cartridge - On
- Blinking
- On
What you can do
Download valid network code to the internal print server.
Replace the toner cartridge with one that is suitable for your region.
Replace the toner cartridge. For more information, see “Replacing the toner cartridge” on page 102.
Interpreting the printer control panel lights
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