Lexmark 840dn - W B/W Laser Printer Manual de conexión - Página 14
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Problem
Streaks appear on the
page.
ABC
DEF
Printing is too dark.
ABC
ABC
DEF
DEF
Characters have jagged or
uneven edges
Part or all of the page is
printed in black.
Action
• 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, shake the print
cartridge back and forth. Reinstall the cartridge and then press
• If you are using preprinted forms, make sure the ink can withstand temperatures of 212°C
(414°F).
Change the Toner Darkness setting in the Quality Menu. See the Menus and Messages
Guide on the publications CD for more information.
Note: Macintosh computer users should make sure the lines per inch (lpi) setting is not set
too high in the software application.
• Change the Print Resolution setting in the Quality Menu to 600 dpi, 1200 dpi or 2400 IQ.
Refer to the Menus and Messages Guide on the Publications CD for more settings
information.
• If you are using downloaded fonts, verify the fonts are supported by the printer, the host
computer, and the software application.
Check the print cartridge to see if it is installed correctly.
Print quality and troubleshooting
Page 3 of 5
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