Invalid engine code / Invalid network code
Light sequence:
•
•
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. Press
Continue 
twice quickly to see the secondary error code. See “Secondary error codes” on page 69 for more information.
Toner low
Light sequence:
•Toner Low/Replace PC
What this light sequence means:
The printer is ready to receive and process data. In addition, the toner in the toner cartridge is getting low.
What you can do:
•Press Continue 
to print the menu settings page for a list of current printer settings.
•Remove the toner cartridge and shake it to extend the life of the cartridge.
•Replace the toner cartridge. (See “How to change a toner cartridge” on page 108 for help.)
•Press and hold Cancel 
to reset the printer.
Note: This light may not come on if the starter toner cartridge is installed in a base printer model.
Using the operator panel
63
