Dell A960 All In One Personal Printer - Manual (Page 66)

a.
Click the Maintenance tab. b.
From the Maintenance tab, click Print a test page. c.
Document Prints Slowly
Close programs not in use.
Reduce the print quality resolution (Quick and Normal print more quickly than Better and Best).
NOTE: Photos or documents containing graphics may take longer to print than regular text.
Consider purchasing more Random Access Memory (RAM) for your computer.
Document Prints Poorly
Document Is Too Light or Too Dark
You can lighten or darken your document from the operator panel.
Press Copy or Fax from the Mode area. 1.
On the operator panel, press Lighter/Darker. 1.
Press + to darken your document or - to lighten it. 2.
When the asterisk (*) on the display moves to a satisfactory position, press Select. 3.
Vertical, Straight Lines Are Not Smooth
To improve the print quality of vertical, straight lines in tables, borders, and graphs:
Test the cartridge alignment. For help, see Aligning Ink Cartridges .
Clean the nozzles. For help, see Clean the Ink Cartridge Nozzles .
Characters Are Missing or Unexpected
Make sure the scanner glass is clean.
Dampen a clean lint-free cloth. 1.
Gently wipe the scanner glass. 2.