Lexmark 20G0100 - T 640 B/W Laser Printer Troubleshooting Manual - Page 4
Browse online or download pdf Troubleshooting Manual for Printer Lexmark 20G0100 - T 640 B/W Laser Printer. Lexmark 20G0100 - T 640 B/W Laser Printer 6 pages. Troubleshooting guide
Also for Lexmark 20G0100 - T 640 B/W Laser Printer: Setup & Installation (4 pages)
Print Page
The Paper Jam message remains
after you remove the jammed
paper.
Clear paper from the entire paper path, and then
press
.
The page that jammed does not
reprint after you clear the jam.
Set Jam Recovery to Auto or On.
For more information, see the Menus and Messages
Guide
Blank pages feed into the output
bin
Load the correct type media for your print job, or
change the Paper Type to match the type of media
loaded.
For more information, see the Menus and Messages
Guide.
Original documents misfeed in the
ADF
•
Adjust the guides toward the media until they
lightly rest against the edge of the media.
•
If the pick pad is worn, replace the pick pad.
Print quality
troubleshooting
To help isolate print quality problems, print the "Print
defects guide" and check for repeating defects. If
repeating defects are not appearing, print the Print
Quality Test Pages.
Note:
A
(check mark) appears to the
left of an item to indicate that it is
selected.
1
Turn the printer off.
2
Hold down
and
, and turn the printer on.
The Performing Self Test message
appears followed by Config Menu.
3
Press
until Prt Quality Pgs is selected,
and then press
.
The pages are formatted. The Printing
Quality Test Pages message appears, then
the pages print. The message remains on the
operator panel until all the pages print.
After the Print Quality Test Pages print, to exit
the Config Menu:
4
Press
until Exit Config Menu is selected,
and then press
.
5
The messages Resetting Printer and
Performing Self Test appear, and the
printer returns to Ready.
If another type of print quality problem exists, see the
Troubleshooting chapter in the User's Guide on the
publications CD.
Solving print quality
problems
The information in the following table may help you
solve print quality problems. If these suggestions still
do not correct the problem, call for service. You may
have a printer part that requires adjustment or
replacement.
Print is too light.
•
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 and then press
procedure multiple times until the print remains
faded. When the print remains faded replace
the print cartridge.
•
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.
•
If you are printing on an uneven print surface,
change the Paper Weight and Paper Texture
settings in the Paper menu.
•
Verify the correct print media is being used.
•
Verify you are using the correct printer drivers.
•
Verify the environment is Class B.
Toner smears or print comes off
the page
•
If you are printing on an uneven print surface,
change the Paper Weight and Paper Texture
settings in the Paper menu.
•
Verify the print media is within the printer
specifications. See the User's Guide for more
details.
Toner appears on the back of the
printed page
Toner is on the transfer roll. To help prevent this, do
not load print media that is smaller than the page
size of the job to be printed.
Open and close the printer top front cover to run the
printer setup cycle and clean the transfer roll.
.
Repeat this