Turn the Image Optimum setting off on the control panel’s Printing Menu if you do not want the printer to automatically lower the print quality to continue printing.

You may need to increase the amount of printer memory to be able to print at the desired print quality for your document. For more information on adding memory, see "Memory Module" on page 202.

Install Imaging Cart

The imaging cartridge is not installed or not installed correctly. Make sure that the imaging cartridge is installed correctly.

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 N/W Module

There is no network program, or the network program cannot be used with your printer. Contact a qualified service representative.

Invalid PS3

The PostScript3 ROM module is broken. Turn off the printer and contact your dealer.

To clear this error, either press the N Start/Stop button or turn off the printer and remove the ROM module, then reinstall the ROM module. If that fails to clear the error, contact your dealer.

Manual Feed xxx

The manual feed mode is specified for the current print job. Make sure the paper size indicated by xxx is loaded, then press the

NStart/Stop button.

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Using the Control Panel

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