Lexmark X646e Manuale Utente

Pagina di 148
Solving print quality problems
133
Troubleshooting
Entire page is white.
• Make sure the packaging material is removed from the print cartridge. 
• Check the print cartridge to be sure it is installed correctly. 
• The toner may be low. To utilize the remaining toner, remove the cartridge by gripping 
the handles with both hands. With the cartridge arrows pointing downward, firmly 
shake the print cartridge side-to-side and front-to-back several times to redistribute the 
toner. Reinstall the cartridge
Repeat this procedure multiple times until the print 
remains faded. When the print remains faded, replace the print cartridge.
Streaks appear on the page.
• The toner may be low. To utilize the remaining toner, remove the cartridge by gripping 
the handles with both hands. With the cartridge arrows pointing downward, firmly 
shake the print cartridge side-to-side and front-to-back several times to redistribute the 
toner. Reinstall the cartridge
Repeat this procedure multiple times until the print 
remains faded. When the print remains faded, replace the print cartridge.
• If you are using preprinted forms, make sure the ink can withstand temperatures of 
230°C (446°F).
Printing is too dark.
• Change the 
Toner Darkness
 setting in the Quality menu.
• Change the 
Brightness
 setting in the Quality menu.
• Change the 
Contrast
 setting in the Quality menu.
• Verify the environment is 16 to 32 degrees C (60 to 90
F).
Note:
Macintosh computer users should make sure the job lines per inch (lpi) setting is 
not set too high in the software application.
Characters have jagged or 
uneven edges.
• Change the 
Print Resolution
 setting in the Quality menu to 600 dpi, 1200 Image Q, 
1200 dpi, or 2400 Image Q.
• Enable Enhance Fine Lines.
See the tables on 
 for more settings information.
• If you are using downloaded fonts, verify the fonts are supported by the MFP, the host 
computer, and the software application.
• Verify the print media type and print tray type settings match.
• Verify you are using the correct MFP drivers.
• Verify the environment is 16 to 32 degrees C (60 to 90
F).
Problem
Action