Lexmark W840dn User Manual

							Clearing printer jams
91
Clearing jams
Clearing Area G
1Open the finisher door.
2Remove the jammed media, as indicated on the operator panel.
3Close the door.
4Press .
Clearing Area H
1Lift Door H.
2Remove the jammed media.
3Close the door.
4Press .
Downloaded From ManualsPrinter.com Manuals 
						

							Clearing staple jams
92
Clearing jams
Clearing staple jams
A Staples Empty or Misfed message indicates staples are jammed in the stapler. This requires removing the staple 
cartridge holder from the printer.
1Check that the machine stops operations, and open Door G (front door) of the finisher.
2Hold the lever on the staple cartridge holder, and move the holder to the right (towards you).
3Firmly pull the colored tab to remove the staple cartridge.
Downloaded From ManualsPrinter.com Manuals 
						

							Clearing staple jams
93
Clearing jams
4Use the metal tab to lift the staple guard, and then pull out the sheet of staples.
Discard the entire sheet.
5Remove any loose staples from the staple guard.
6Look through the clear covering on the bottom of the cartridge holder to make sure no staples are jammed in the 
entry throat.
7Press down on the staple guard until it snaps securely into place.
8Push the cartridge holder firmly into the stapler until the holder clicks into place.
9Close Door G.
Priming Stapler appears on the operator panel display. Priming ensures the stapler is functioning properly.
Downloaded From ManualsPrinter.com Manuals 
						

							Troubleshooting
94
9Troubleshooting
Online customer support
Customer support is available on our Lexmark Web site at www.lexmark.com.
Calling for service
When you call for printer service, describe the problem you are experiencing, the message on the display, and the 
troubleshooting steps you have already taken to find a solution.
You need to know your printer model type and serial number. See the label on the printer for this information.
The serial number is also listed on the menu settings page. See Printing the menu settings page on page 64 for more 
information.
For service in the U.S. or Canada, call 1-800-Lexmark (1-800-539-6275). See our Lexmark Web site at www.lexmark.com 
for the numbers for other countries/regions.
Note:When calling for service, call from the location of the printer.
Checking an unresponsive printer
If your printer is not responding, first make sure:
The power cord is plugged into the printer and a properly grounded electrical outlet.
The electrical outlet is not turned off by any switch or breaker.
The printer is not plugged into any surge protectors, uninterrupted power supplies, or extension cords.
Other electrical equipment plugged into the outlet is working.
The printer is turned on.
The printer cable is securely attached to the printer and the host computer, print server, option, or other network 
device.
Once you have checked each of these possibilities, turn the printer off and back on. This often fixes the problem.
Downloaded From ManualsPrinter.com Manuals 
						

							Printing multiple-language PDFs
95
Troubleshooting
Printing multiple-language PDFs
Solving printing problems
SymptomCauseSolution
Some documents do not 
print.The documents contain 
unavailable fonts.1Open the document you want to print in Adobe Acrobat.
2Click the printer icon.
The Print dialog appears.
3Check the Print as image box.
4Click OK.
SymptomCause Solution
The operator panel 
display is blank or 
displays only diamonds.The printer self test 
failed.Turn the printer off, wait about 10 seconds, and turn the printer 
back on.
If the Performing Self Test and Ready messages do not 
appear, turn the printer off and call for service.
The message USB 
device unsupported 
appears when using a 
USB device.The USB device you are 
using may not be 
supported or has an 
error. Only specific USB 
flash memory devices 
are supported.For information regarding tested and approved USB flash memory 
devices, see our Lexmark Web site at http://
support.lexmark.com and click on KnowledgeBase to search 
for Direct USB printing.
Jobs do not print. The printer is not ready 
to receive data.Make sure Ready or Power Saver appears on the display before 
sending a job to print. Press   to return the printer to the Ready 
state.
The specified output bin 
is full.Remove the stack of paper from the output bin, and then press 
.
The specified tray is 
empty.Load paper in the tray.
You are using the wrong 
printer driver or are 
printing to a file. Verify you are using the printer driver associated with your 
printer.
 If you are using a USB Direct interface, make sure you are 
running Windows 98/Me, Windows 2000, Windows XP, or 
Windows Server 2003 and using a Windows 98/Me, 
Windows 2000, Windows XP, or Windows Server 2003 
compatible printer driver.
Your internal print server 
is not set up properly or 
is not connected 
properly.Verify that you have properly configured the printer for network 
printing.
See the drivers CD or the Lexmark Web site for information.
You are using the wrong 
interface cable, or the 
cable is not securely 
connected.Make sure you are using a recommended interface cable.
Make sure the connection is secure.
Downloaded From ManualsPrinter.com Manuals 
						

							Solving printing problems
96
Troubleshooting
Held jobs do not print. A formatting error has 
occurred. Print the job. (Only part of the job may print.)
 Delete the job.
 Free up additional printer memory by scrolling through the list of 
held jobs and deleting others you have sent to the printer. The printer has 
insufficient memory.
The printer has received 
invalid data.Delete the job.
Job takes longer than 
expected to print.The job is too complex. Reduce the complexity of your print job by eliminating the number 
and size of fonts, the number and complexity of images, and the 
number of pages in the job.
Page Protect is set to 
On.Set Page Protect to Off from the Setup Menu.
For more information, see the Menus and Messages Guide.
Job prints from the 
wrong tray or on the 
wrong paper or specialty 
media.The operator panel menu 
settings do not match the 
media loaded in the tray.Make sure the Paper Size and Paper Type specified in the printer 
driver match the paper size and type in the tray.
Incorrect characters 
print.You are using an 
incompatible parallel 
cable.If you are using a parallel interface, make sure you are using an 
IEEE 1284-compliant parallel cable. We recommend Lexmark part 
number 1329605 (10 ft) or 1427498 (20 ft) for the standard parallel 
port.
The printer is in Hex 
Trace mode.If Ready Hex appears on the display, you must exit Hex Trace 
mode before you can print your job. Turn the printer off and back 
on to exit Hex Trace mode.
Tray linking does not 
work.Tray linking is not 
configured properly. Make sure both the size and type of media are the same in both 
trays.
 Make sure the paper guides in the trays are set for the correct 
size media.
 Make sure the menu values for both size and type are set 
correctly in the Paper menu.
See Linking trays on page 59 or see the Menus and 
Messages Guide for more information.
Large jobs do not collate. Collate is not set to On. Set Collation to On in the Finishing Menu or through the printer 
driver.
Note:Setting Collation to Off in the driver overrides the setting in 
the Finishing Menu.
See the Menus and Messages Guide for more information.
The job is too complex. Reduce the complexity of the print job by eliminating the number 
and size of fonts, the number and complexity of images, and the 
number of pages in the job.
The printer does not 
have enough memory.Add printer memory or an optional hard disk.
Unexpected page breaks 
occur.The job has timed out. Set Print Timeout to a higher value from the Setup Menu.
See the Menus and Messages Guide for more information.
SymptomCause Solution
Downloaded From ManualsPrinter.com Manuals 
						

							Solving option problems
97
Troubleshooting
Solving option problems
If an option does not operate correctly after it is installed or if it quits working:
Turn the printer off, wait for about 10 seconds, and turn the printer on. If this does not fix the problem, unplug the 
printer, and check the connection between the option and printer.
Print the menu settings page, and check to see if the option is listed in the Installed Options list. If the option is not 
listed, reinstall it. See Printing the menu settings page on page 64 for more information.
Make sure the option is selected in the software application you are using.
For Macintosh computer users: Make sure the printer is set up in Chooser.
The following table lists printer options and suggested corrective actions for related problems. If the suggested corrective 
action does not fix the problem, call your service representative.
OptionAction
Drawers  Make sure the connection between drawers and the printer is secure.
 Make sure the print media is loaded correctly.
Duplex unit Make sure the connection between the duplex unit and the printer is secure. If the duplex unit is 
listed on the menu settings page, but print media jams when it enters or exits the duplex unit, the 
printer and duplex unit may not be properly aligned. 
Finisher  Make sure the connection between the finisher and the printer is secure. If the finisher is listed 
on the menu settings page, but print media jams when it exits the printer and enters the finisher, 
it may not be properly installed. Reinstall the finisher.
 Make sure you are using a print media size compatible with your optional output bins. See 
Supported print media on page 35.
Flash memory Make sure flash memory is securely connected to the printer system board. 
Hard disk with 
adapterMake sure the hard disk is securely connected to the printer system board.
Infrared adapter If infrared communication stops or does not occur, make sure:
 The distance between the two infrared ports is 1 meter 
(39 in.) or less. If communication does not occur between ports, move the ports closer together.
 Both ports are stable.
 The computer and the printer are on a level surface.
 The angle of communication between the two infrared ports is within 15 degrees of either side 
of an imaginary line drawn between the two infrared ports.
 No bright light, such as direct sunlight, is interfering with communication.
 No objects are placed between the two infrared ports.
Internal print server  Make sure the internal print server (also called an internal network adapter or INA) is securely 
connected to the printer system board. 
 Make sure you are using the correct cable, that it is securely connected, and the network 
software is correctly set up. 
See the drivers CD that shipped with your printer for more details.
High capacity feeder 
(2000-sheet drawer)See Solving 2000-sheet drawer problems on page 98.
Printer memory Make sure printer memory is securely connected to the printer system board.
USB/Parallel 
interface Make sure the USB/parallel interface card is securely connected to the printer system board.
 Make sure you are using the correct cable and that it is securely connected.
Downloaded From ManualsPrinter.com Manuals 
						

							Solving option problems
98
Troubleshooting
Solving 2000-sheet drawer problems
ProblemSolution
The elevator tray does not raise when the 
loading door is closed, or the elevator tray 
does not lower when the door is opened and 
the elevator button is pushed.Check the following:
 The printer is properly attached to the 2000-sheet drawer.
 The printer is powered on.
 The power cord is plugged firmly into the back of the 2000-sheet 
drawer.
 The power cord is plugged into an outlet.
 The outlet has power.
The elevator tray lowers unexpectedly. Check to see if your printer is out of print media or has a jam.
More than one sheet of print media is fed or a 
sheet is fed improperly.Remove the print media in the printer paper path, and check the stack to 
ensure the print media has been loaded properly. Be sure to remove the 
top and bottom sheets of each ream of paper that is loaded.
A jam occurs.
Rubber feed rollers do not turn to advance 
print media.Check the following:
 The power cord is plugged firmly into the back of the 2000-sheet 
drawer.
 The power cord is plugged into an outlet.
 The outlet has power.
Consistent misfeeds or jams in the drawer. Try the following:
 Flex the paper.
 Turn the print media over.
Check the following:
 Drawer is properly installed.
 Print media is loaded correctly.
 Print media is not damaged.
 Print media meets specifications.
 Guides are positioned correctly for the print media size selected.
Service messages  A service message indicates printer failure that may require service. 
Turn the printer off, wait about 10 seconds, and then turn the printer on.
If the error recurs, write down the error number, the problem, and a 
detailed description. Call for service.
Downloaded From ManualsPrinter.com Manuals 
						

							Solving paper feed problems
99
Troubleshooting
Solving paper feed problems
SymptomCauseSolution
Paper frequently jams.  You are using paper that does not 
meet the printer specifications.Use recommended paper and other specialty media.
See the Card Stock & Label Guide available on our 
Lexmark Web site at www.lexmark.com for detailed 
specifications.
See Avoiding jams on page 47 for information that can 
help prevent jams from occurring.
You have loaded too much paper 
or too many envelopes.Make sure the stack of paper you load does not exceed 
the maximum stack height indicated in the tray or on the 
multipurpose feeder.
Guides in the selected tray are not 
set to the appropriate position for 
the size paper loaded.Move the guides in the tray to the correct position.
The paper has absorbed moisture 
due to high humidity.Load paper from a fresh package.
Store paper in its original wrapper until you load it.
See Storing print media on page 47 for more 
information.
The Paper Jam 
message remains after 
you remove the jammed 
paper. You have not pressed   or have 
not cleared the entire paper path.Clear paper from the entire paper path, and then press 
.
See Clearing printer jams on page 75 for more 
information.
The page that jammed 
does not reprint after you 
clear the jam. Jam Recovery in the Setup menu 
is set to Off.Set Jam Recovery to Auto or On.
See the Menus and Messages Guide for more 
information.
Blank pages feed into 
the output bin. An incorrect media type is loaded 
in the tray being printed from.Load the correct type media for your print job, or change 
the Paper Type to match the type of media loaded.
See the Menus and Messages Guide for more 
information.
Downloaded From ManualsPrinter.com Manuals 
						

							Solving print quality problems
100
Troubleshooting
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.
ProblemAction
Print is too light.   The toner may be low.
 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.
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 Understanding paper 
and specialty media guidelines on page 35 for more details.
If the problem continues, contact the Lexmark Customer Support Center at
http://support.lexmark.com.
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.
Toner fog or background 
shading appears on the page. Check the photoconductor kit to make sure it is installed correctly.
 Replace the photoconductor kit.
ABC
DEF
ABC
DEF
ABC
DEF
Downloaded From ManualsPrinter.com Manuals