Setup guide

304 Troubleshooting
Install uuuu TnrCart
The indicated toner cartridges are not installed in the printer. (The
letters C, M, Y, or K appear in place of uuuu and indicate the colors
Cyan, Magenta, Yellow, and Black respectively.)
Install the indicated cartridges. See “Replacing a toner cartridge”
on page 227.
Install Waste T Box
The waste toner collector is not installed, or is installed
incorrectly. If there is no waste toner collector installed, install one
in the printer. If there is a waste toner collector already installed,
try removing it and reinstalling it. See “Replacing the waste toner
collector” on page 241 for instructions.
Invalid AUX I/F Card
This message means that the printer cannot communicate with
the installed optional interface card. Turn off the printer, remove
the card, then reinstall it.
Invalid HDD
Either the optional Hard Disk Drive is damaged or it cannot be
used with this printer. Turn off the printer, then remove the Hard
Disk Drive.
Invalid N/W Module
There is no network program, or the network program cannot be
used with your printer. Contact your dealer.
Invalid P5C
An optional P5C Emulation Kit that cannot be used on this printer
is installed. Turn off the printer, then remove the module.