Lexmark X646ef User Manual

Clearing jams
111
Clearing jams
202 Paper Jam Open Rear Door
1If the paper is exiting the MFP, pull the media straight out, and then touch Continue. Otherwise, continue with 
step 2.
2Open the MFP rear door.
CAUTION: The inside of the MFP may be hot. Allow the MFP to cool before touching any internal 
components.
CAUTION: Do not use any pointed objects to remove the paper. This could cause personal injury or damage 
to the MFP.
3Remove the jammed media.
4Close the rear door.
5Touch Continue.
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Clearing jams
112
Clearing jams
23x Paper Jam Open Duplex Rear Door
1Open the duplex rear door.
2Remove the jammed media.
Depending on the media location, pull the media either up or down.
3Close the duplex rear door. Make sure it snaps into place.
4Touch Continue.
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Clearing ADF Jams
113
Clearing jams
Clearing ADF Jams
290, 291, 292, and 294 Scanner Jams
1Remove all original documents from the ADF.
2Open the ADF cover, and remove any jammed pages.
3Open the document cover, and remove any jammed pages.
4Open the scan unit access door, and remove any jammed pages.
5Close the scan unit access door.
6Close the ADF cover.
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4
Contents
Chapter 1: Learning about the MFP  .................................................................................. 8
Identifying the MFP  .......................................................................................................................................... 8
Using the scanner  ............................................................................................................................................ 9
Configured models...

Adjusting screen timeout
115
Administrative support
•All settings in the Parallel menu, Serial menu, Network menu, and USB menu.
7Touch Submit.
8Touch Home.
Adjusting screen timeout
To adjust the Screen Timeout setting:
1Make sure the MFP is on.
2Touch the Menus button on the home screen.
3Touch Settings.
4Touch General Settings.
5Touch the down arrow until Screen Timeout appears.
6Touch the left arrow to decrease the time, or touch the right arrow to increase the time.
The settings available range from...

Configuring the MFP
116
Administrative support
6Touch Submit.
7Touch SettingsÆ  SecurityÆ Password Protect to view what configuration settings are protected by the 
Advanced Password.
Note:Settings
Æ  SecurityÆ Password Protect and SettingsÆ  SecurityÆ  Create/Change 
Passwords
Æ  Create Change User Password can be used to restrict access with a different 
password than the Advanced Password. Use Settings
Æ  S ec u r ityÆ Password Protect to select the 
menus that are accessible with both an Advanced...

Configuring the MFP
117
Administrative support
Setting the Device Lockout personal identification number (PIN)
The Device Lockout PIN allows locking and unlocking the functional state of the MFP. A locked MFP automatically buffers 
each job received to its hard disk. To initiate the printing of jobs on a locked MFP hard disk, enter the correct PIN on the 
control panel to unlock the MFP.
A locked MFP also prevents all use of the control panel except to unlock the MFP.
Note:This setting is only available...

Configuring the MFP
118
Administrative support
2Enter the defined password in the Print Faxes Password field. 
This releases any received and held fax jobs, so they print. 
Note:The defined password was created in step 6 of Setting a password before printing received faxes.
Setting security using the Embedded Web Server (EWS)
To enhance the security of network communications and MFP configuration, use the advanced security features. These 
features are available through the Web page of the MFP.
Setting...

Configuring the MFP
119
Administrative support
SNMPv3 authentication and encryption has three levels of support:
•No authentication and no encryption
•Authentication with no encryption
•Authentication and encryption
Note:The selected level serves as a minimum level of protection. The MFP negotiates with the SNMPv3 
requestor, and a higher level of protection may be agreed upon and used by both.
5Indicate the setting for each sub-item as required for the network environment.
6Click Submit.
Disabling...

Configuring the MFP
120
Administrative support
Disabling ports and protocols
The TCP and UDP ports can be configured to one of three modes or values:
• Disabled–Never allows network connections to this port
• Secure and Unsecure–Allows the port to remain open, even in Secure mode
• Unsecured Only–Allows the port to only open when the MFP is not in Secure mode
Note:A password must be set to enable Secure mode. Once enabled, only the ports set to Secure and 
Unsecure will be open.
To configure the mode for...