Dell 2335DN - Manual (Page 260)

temperatures and humidity can cause paper curl. See
"Paper Specifications" .
Turn over the stack of paper in the paper tray.
Also try rotating the paper 180° in the paper tray.
Try printing to the rear door.
Wrinkles or creases Ensure that the paper is loaded properly.
Check the paper type and quality. See
"Paper
Specifications" .
Turn over the stack of paper in the paper tray.
Also try rotating the paper 180° in the paper tray.
Try printing to the rear door.
Back of printouts are
dirty
Check for leaks in the toner. Clean the inside of the
printer. See "Cleaning the Interior" .
Black pages The toner cartridge may not be installed
properly. Remove the cartridge and reinsert.
The toner cartridge may be defective and need
replacing. Install a new toner cartridge. See
"Replacing the Toner Cartridge" .
The printer may require repair. Contact a
service representative.
Loose toner Clean the inside of the printer. See "Cleaning
the Interior" .
Check the paper type and quality. See "Paper
Specifications" .
Install a new toner cartridge. See "Replacing
the Toner Cartridge" .
If the problem persists, the printer may require
repair. Contact a service representative.
Character Voids Character voids have white areas where they should