Dell 3115cn Color Laser Printer - Manual (Page 399)

Ensure the width and length guides on the print media sources are
adjusted correctly.
Do not overfill the print media sources.
Do not force print media into the multipurpose feeder when you load it;
otherwise, it may skew or buckle.
Remove any curled print media from sources.
Load the recommended print side correctly for the type of print media
you are using. See "
Loading Print Media in Standard and Optional Trays "
for more information.
Turn the print media over or around and try printing again to see if
feeding improves.
Do not mix print media types.
Do not mix reams of print media.
Remove the top and bottom sheets of a ream before loading the print
media.
Load a print media source only when it is empty.
Wipe the feeder rollers in the trays or multipurpose feeder with a cloth
that slightly dampened with water.
Envelope misfeeds or multiple
feeds occur. Reduce the number of envelopes in the stack.
Page breaks in unexpected
places. Check the Time-Out in the System Settings menu. Increase the setting.
Job prints from the wrong
source or on the wrong print
media. Check the Paper Type in the Tray Settings menu on the printer operator
panel and in the printer driver.
Print media does not stack
neatly in the output bin. Turn the print media stack over in the tray or multipurpose feeder.
Multifunction printer does not
duplex pages. Ensure 2 Sided is selected in both the PCL (Printer Control Language)
menu on the printer operator panel and in the printer driver.
Ensure you have enough print memory installed.
Print Quality Problems
Problem Action
Print is too light.