Lexmark X342n User Manual

Jams and misfeeds troubleshooting
81
241/242 Paper Jam
1Open the appropriate paper tray.
Note:
Open Tray 1 for 241 Paper Jam. Open Tray 2 for 242 Paper Jam.
242 Paper Jam will only occur when Tray 2 is installed.
Tray 2 is optional and may be purchased separately.
2Remove the jammed paper by gently pulling it straight out.
Downloaded From ManualsPrinter.com Manuals 

Jams and misfeeds troubleshooting
82 3
Insert the paper tray.
4Press Start to resume printing.
Note:If you receive a 241.18 paper jam at the start of a print job, verify that the media 
settings match the acutal media size.
251 Paper Jam
1Remove the jammed paper by gently pulling it straight out of the MFP. 
2Press Start to resume printing.
Downloaded From ManualsPrinter.com Manuals 

Jams and misfeeds troubleshooting
83
290/291/292 Scanner Jam
1Open the ADF top cover.
2Remove the jammed paper by gently pulling it straight out.
3Close the ADF top cover, and then load the documents back into the ADF.
Note:To prevent document jams, use the scanner glass rather than the ADF for thick, 
thin, or a mixed set of documents. 
4Press Start to resume.
Downloaded From ManualsPrinter.com Manuals 

Print and copy troubleshooting
84
Print and copy troubleshooting
ProblemSolution
MFP does not print or 
respondSee Display is not lit. on page 72.
Remove and reinstall the software. For more information, see  on page 73.
If you are scanning a document, wait until scanning is complete before 
using the MFP.
Restart the computer.
Make sure the MFP is set as the default printer.
1Click StartÆ SettingsÆ Printers and Faxes or Printers. 
or 
Click StartÆ Control PanelÆ Printers and Other HardwareÆ 
Printers...

Print quality troubleshooting
85
Print quality troubleshooting
ProblemSolution
Light or faded print You may be able to temporarily extend the toner cartridge life by 
redistributing the toner. For more information, see Redistributing toner on 
page 63. 
Install a new toner cartridge. For more information, see Installing a toner 
cartridge on page 62.
Only use new, dry paper.
Make sure the front door is securely latched on both sides.
For copies, adjust the darkness settings by pressing Darkness from the...

Print quality troubleshooting
86
Horizontal stripes Replace the toner cartridge. For more information, see Installing a toner 
cartridge on page 62.
Gray background For copies, adjust the darkness settings by pressing Darkness from the 
control panel.
For prints, adjust the darkness settings from the control panel menu:
1From the control panel, press Menu.
2Press   or   repeatedly until MACHINE SETUP appears.
3Press .
4Press   or   repeatedly until Toner Dark appears.
5Press .
6Press   or   repeatedly to...

Print quality troubleshooting
87
Wrinkles or creases Make sure paper is loaded correctly. For more information, see Loading 
paper and original documents on page 28.
Make sure the paper is not too wet. Keep paper in its original wrapper and 
out of high humidity areas until needed. Try paper from a freshly opened 
pack.
Black pages Replace the toner cartridge. For more information, see Installing a toner 
cartridge on page 62.
If replacing the toner cartridge does not correct the problem, replace the...

Scan troubleshooting
88
Scan troubleshooting
ProblemSolution
Scanner does not respond Check the display. If there is an error message, see Error messages 
troubleshooting on page 91.
Make sure the MFP is set as the default printer and is not on hold or paused.
1Click StartÆ SettingsÆ Printers and Faxes or Printers. 
or 
Click StartÆ Control PanelÆ Printers and Other HardwareÆ 
Printers and Faxes. 
2Double–click the Lexmark X340/X340n/X342n icon. 
3Click Printer, and make sure no check mark appears next...

Fax troubleshooting
89
Fax troubleshooting
ProblemSolution
Cannot send or receive a fax Check the display. If there is an error message, see Error messages 
troubleshooting on page 91.
Make sure cable connections for the following hardware are secure, if 
applicable:
Power supply
Telephone
Handset
Answering machine
Check the telephone wall jack.
1Plug a telephone into the wall jack.
2Listen for a dial tone.
3If you do not hear a dial tone, plug a different telephone into the jack.
4If you still do...

Fax troubleshooting
90
Can receive but not send faxes Make sure the document is loaded correctly into the ADF or on the scanner 
glass. For more information, see Faxing on page 42.
Check the Prefix setting.
1From the control panel, press Fax.
2Press Menu.
3Press   or   repeatedly until FAX DEFAULTS appears.
4Press .
5Press   or   repeatedly until Prefix appears.
6Press .
7Enter the numbers you would like to have dialed before each telephone 
number.
8Press .
9Press Stop to return to the Ready prompt.
If...