312 Using the Control Panel
Install uuuu TnrCart
The indicated toner cartridges are not installed in the product.
(The letters C, M, Y, and K appear in place of uuuu and indicate
the colors Cyan, Magenta, Yellow, and Black respectively.)
Install the indicated cartridges. See “Toner Cartridge” on page
338.
Invalid Data
The spool file on the driver is deleted while printing or the data
is abnormal. Press the x B&W Start or x Color Start button to
clear the error.
Invalid N/W Module
There is no network program, or the network program cannot be
used with your product. Contact a qualified service
representative.
Irregular Density
The density of the print data is too high to print. Turn off the
product and remove jammed paper.
Manual Duplex
Printer stops because the printing on one side of the paper is
finished in the manual duplex mode. Reload the paper that has
been printed on one side into the MP tray and press the x B&W
Start or x Color Start button.
Manual Feed ssss
The manual feed mode is specified for the current print job. Make
sure the paper size indicated by ssss is loaded, then press the
x B&W Start or x Color Start button.