HP 4500 DN manual Printer will not duplex, Tray 3 is incorrectly installed

Printer will not duplex

Cause	Solution
Printer is not recognizing the duplex printing	Print a configuration page to verify
accessory.	configuration. Set up the printer driver to
	recognize the duplex printing accessory. Verify
	that the duplex printing accessory power cord
	is plugged in.
You are trying to duplex on an unsupported	Verify that the media you are using is
media.	supported for duplex printing.
The door to the rear output bin is open.	Close the door to the rear output bin.

Tray 3 is incorrectly installed

Cause	Solution
Verify that the tray is correctly installed.	Print a configuration page to confirm that
	Tray 3 is configured properly.

Printer is on, but will not print a PostScript file

Cause	Solution
The PS (PostScript Emulation) personality is	Select PS or AUTO for the printer language.
not selected.	See the chapter on using the printer control
	panel.
The correct driver is not selected in your	Select the driver for PostScript Emulation for
software application or printer driver.	this printer in your software application or
	printer driver.
The printer is not properly configured.	See chapter 6 for configuration information.
The computer port is not configured or is not	Run another peripheral connected to this port
working properly.	to verify that the port is working properly.
The printer has not been correctly named for	Use the appropriate utility to name the printer
your network or for a Macintosh computer.	on the network. For Macintosh computers,
	name the printer from within the Chooser
	menu.

152 Solving Problems with the Printer EN