Lexmark 620, 622 manual See Print material specifications

Problem	Action
Print material misfeeds or	Make sure the paper width and length guides on the paper sources are
multiple feeds occur	adjusted correctly.
(continued).
	Do not overfill the paper sources.
	Do not force print material into the multipurpose feeder when you load it;
	otherwise, it may skew or buckle.
	Remove any curled print material from paper sources.
	Load the recommended print side correctly for the type of print material you
	are using. See Loading print material for more information.
	Load less print material in the paper sources.
	Turn the print material over or around and try printing again to see if feeding
	improves.
	Do not mix print material types.
	Do not mix reams of print material.
	Remove the top and bottom sheets of a ream before loading the print
	material.
	Load a paper source only when it is empty.
Envelope misfeeds or	Remove the stack of envelopes from the envelope feeder. Load one envelope,
multiple feeds occur.	feed it through the printer, and then reload the stack of envelopes in the
	envelope feeder.
Page breaks in unexpected	Check the Print Timeout setting in the Setup Menu. Increase the setting.
places.
Job prints from the wrong paper	Check the Paper Type setting in the Paper Menu from the printer operator
source or on the wrong print	panel and in the printer driver.
material.
Paper does not stack neatly in	• Turn the paper stack over in the tray or multipurpose feeder.
any output bin.	• Make sure you are using a paper size compatible with your output options.
	See Print material specifications.
Printer does not duplex pages.	• Make sure Duplex is selected in both the Finishing Menu and in the printer
	driver.
	• Make sure you have enough printer memory installed.

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