Lexmark C780, C782 Solving paper feed problems, Solving print quality problems, Paper path

Troubleshooting

Solving paper feed problems

Symptom	Cause		Solution
Paper frequently jams.	You are using paper that does not		Use recommended paper and other specialty media.
	meet the printer specifications.		See the Card Stock & Label Guide available on the
			Lexmark Web site at www.lexmark.com for
			detailed specifications.
			For information that can help prevent jams from
			occurring, see Avoiding jams.
	You have loaded too much paper		Make sure the stack of paper you load does not
	or too many envelopes.		exceed the maximum stack height indicated at the
			front of the tray or on the multipurpose feeder.
			See Loading the trays or Loading the
			multipurpose feeder for more information.
	Guides in the selected tray are not		Move the guides in the tray to the correct position.
	set to the appropriate position for		For detailed instructions, see Loading the trays.
	the size paper loaded.
	The paper has absorbed moisture		Load paper from a fresh package.
	due to high humidity.		Store paper in its original wrapper until you load it.
			See Storing paper for more information.
The Paper Jam	You have not pressed	or	Clear paper from the entire paper path, and then
message remains after	have not cleared the entire paper		press	.
you remove the jammed	path.
paper.			For more information, see Clearing the entire
			paper path.
The page that jammed	Jam Recovery in the Setup Menu/		Set Jam Recovery to Auto or On.
does not reprint after you	Print Recovery section is set to		For more information, see the Menus and Messages
clear the jam.	Off.
			Guide.
Blank pages feed into	An incorrect media type is loaded		Load the correct type media for your print job, or
the output bin.	in the tray being printed from.		change the Paper Type to match the type of media
			loaded.
			For more information, see the Menus and Messages
			Guide.

Solving print quality problems

To help isolate print quality problems, print the Print Quality Test Pages.

1Turn the printer off.

2Press and . Hold them while you turn the printer on, and until the Performing Self Test message appears.

Config Menu appears.

3Press until Prt Quality Pgs appears, and then press .

The pages are formatted. The Printing Quality Test Pages message appears, then the pages print. The message remains on the operator panel until all the pages print.

After the Print Quality Test Pages print, to exit the Config Menu:

4Press until Exit Config Menu appears, and then press to complete the procedure.

Solving paper feed problems

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