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Light sequences What you can do
Invalid network code
- On
- Blinking
- On
Download valid network code to
the internal print server.
Cartridge region mismatch
- On
- Blinking
- On
Replace the toner cartridge with
one that is suitable for your region.
Invalid refill, Change cartridge
- On
- Blinking
- On
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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