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Understanding the control panel lights
Invalid engine code
Invalid network code
Toner cartridge region mismatch
Light sequence:
• Ready—On
• Load Paper—On
• Error—On
What this light sequence means:
The engine code has not been programmed, or the programmed
code is not valid.
What you can do:
Download valid engine code to the internal print server.
Light sequence:
• Ready—On
• Load Paper—Blinking
• Error—On
What this light sequence means:
The code in an internal print server has not been programmed, or
the programmed code is not valid.
What you can do:
Download valid network code to the internal print server.
Light sequence:
• Toner Low/Replace PC Kit—On
• Load Paper—Blinking
• Error—On
What this light sequence means:
The geographic region of the printer does not match the
geographic region of the installed toner cartridge.
What you can do:
Remove the toner cartridge, and install a new toner cartridge that
matches the region of the printer (see What supplies do I need
and how do I order them? on page 76).