Lexmark X646dte User Manual

Encrypting the hard disk
121
Administrative support
6Indicate the setting for each sub-item as required for the network environment.
7Click Submit.
Confidential Print Setup
Confidential Print Setup allows the designation of a maximum number of PIN entry attempts and allows setting an 
expiration time for print jobs. When a user exceeds a specific number of PIN entry attempts, all of that user’s print jobs are 
deleted. When a user has not printed their jobs within a designated time period, the print jobs...

Hard disk wiping
122
Administrative support
3Release the buttons when the touch screen blinks and is blank momentarily. Wait.
The Config Menu appears.
4Touch the down arrow to scroll to Disk Encryption.
5Touch the right arrow to enter the Disk Encryption menu.
6Touch the right arrow next to Disable to decrypt the hard disk.
Contents will be lost. Continue? appears.
7Touch Ye s to continue the process.
The Formatting Disk progress screen appears.
Warning:Do not power off the MFP until the process...

Using the restricted server list function
123
Administrative support
Using the restricted server list function
The Restricted Server List lets a system support person restrict which hosts are allowed to communicate with the MFP over 
the network which prevents other hosts from managing and printing to the MFP.
Note:The Restricted Server List only restricts TCP traffic; it does not affect UDP traffic. The Restricted 
Server List supports up to ten host addresses or ten network addresses.
To configure the...

4
Contents
Chapter 1: Learning about the MFP  .................................................................................. 8
Identifying the MFP  .......................................................................................................................................... 8
Using the scanner  ............................................................................................................................................ 9
Configured models...

Printing multiple language PDFs
125
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 Reader.
2Click the printer icon.
The Print dialog appears.
3Check the Print as image box.
4Click OK.
SymptomCause Solution
The control panel display 
is blank.The MFP self test failed. Turn the MFP off, wait about 10 seconds, and turn the MFP back 
on.
If the...

Solving printing problems
126
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 MFP memory by scrolling through the list of 
held jobs and deleting others you have sent to the MFP. The MFP has insufficient 
memory.
The MFP 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...

Solving copy quality problems
127
Troubleshooting
Solving copy quality problems
The following solutions will help solve copy problems. For additional information, see Copy tips.
Solving scan quality problems
The following solutions will help solve scan problems. For additional information, see Scanning tips.
SymptomSolution
Unwanted background is visible. Adjust the Background Removal setting under Copy
Æ OptionsÆ Advanced 
Imaging. Touch the right arrow to remove more background.
Unwanted patterns...

Solving fax quality problems
128
Troubleshooting
Solving fax quality problems
The following solutions will help solve copy problems. For additional information, see Fax tips.
Solving option problems
If an option does not operate correctly after it is installed, or if it quits working:
•Turn the MFP off, wait for about 10 seconds, and turn the MFP on. If this does not fix the problem, unplug the 
MFP, and check the connection between the option and MFP.
•Print the menu settings page, and check to see if...

Solving option problems
129
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 MFP is properly attached to the 2000-sheet drawer.
• The MFP 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...

Solving paper feed problems
130
Troubleshooting
Solving paper feed problems
SymptomCauseSolution
Paper frequently jams.  You are using paper that does not 
meet the MFP 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 for information that can help prevent 
jams from occurring.
You have loaded too much paper 
or too many envelopes.Make sure the stack of...