Lexmark 450dn manual Solving printing problems, Set Page Protect to Off from the Setup Menu, page

Troubleshooting

Symptom	Cause	Solution
Job takes longer than	The job is too complex.	Reduce the complexity of your print job by eliminating the number
expected to print.		and size of fonts, the number and complexity of images, and the
		number of pages in the job.
	Page Protect is set to	Set Page Protect to Off from the Setup Menu.
	On.	For more information, see the Menus and Messages Guide.
	The printer Operating	Set the Operating Mode to Normal.
	Mode is set to Quiet	For more information, see Selecting printer operating mode on
	mode or Eco-mode.
		page 63.
Job prints from the	The control panel menu	Make sure the Paper Size and Paper Type specified in the printer
wrong tray or on the	settings do not match the	driver match the paper size and type in the tray.
wrong paper or specialty	media loaded in the tray.
media.
Incorrect characters	You are using an	If you are using a parallel interface, make sure you are using an
print.	incompatible parallel	IEEE 1284-compliant parallel cable. We recommend Lexmark part
	cable.	number 1021231 for the standard parallel port.
	The printer is in Hex	If Ready Hex appears on the display, you must exit Hex Trace
	Trace mode.	mode before you can print your job. Turn the printer off and back
		on to exit Hex Trace mode.
Large jobs do not collate.	Collate is not set to On.	Set Collation to On in the Finishing Menu or through the printer
		driver.
		Note: Setting Collation to Off in the driver overrides the setting in
		the Finishing Menu.
		For more information, see the Menus and Messages Guide.
	The job is too complex.	Reduce the complexity of the print job by eliminating the number
		and size of fonts, the number and complexity of images, and the
		number of pages in the job.
	The printer does not	Add printer memory.
	have enough memory.
Unexpected page breaks	The job has timed out.	Set Print Timeout to a higher value from the Setup Menu.
occur.		For more information, see the Menus and Messages Guide.
The paper is curled once	The print media has	• Use paper that is sealed in its original packaging.
it exits the printer.	been in the printer too	• Turn the paper over.
	long or is too heavy.	• Rotate the paper 180 degrees.
	The print job has too	• If you are printing a multiple-page job, try duplexing it.
	many pages for simplex	• When printing on heavy print media, open the rear exit door for
	printing.	a straight-through path.
	The paper has absorbed	• Try another type or brand of print media, such as a xerographic
		paper for laser printers.
	moisture due to high
	humidity.	• If possible, try printing in a less humid environment.
		If the paper still curls, select the Reduced Curl setting from the
		Configuration menu (for more information, see Turning on
		Reduced Curl mode).

Solving printing problems

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