Lexmark C782n XL User Manual

Setting security using the Embedded Web Server (EWS)
81
Administrative support
5Press  until  Disable appears, and then press  .
Contents will be lost. Continue? appears.
6Press  until  Yes appears, and then press  .
The Encrypting Disk progress bar appears.
7When disk encryption has finished, press  .
8Press  until  Exit Config Menu appears, and then press  .
Setting security using the Embedded Web Server (EWS)
You can enhance the security of network communications and device configuration by using the...

Setting security using the Embedded Web Server (EWS)
82
Administrative support
•No authentication and no encryption
•Authentication with no encryption
•Authentication and encryption
Note:Only the selected level and later may be used to communicate.
Supporting IPSec (Internet Protocol Security)
IP Security protocol provides authentication and encryption of communications at the network layer allowing all application 
and network communications over the IP protocol to be secure. IPSec can be set up between...

Setting security using the Embedded Web Server (EWS)
83
Administrative support
Using 802.1x Authenticating
802.1x port authentication allows the printer to join networks that require authentication before allowing access. 802.1x port 
authentication can be used with the WPA (Wi-Fi Protected Access) feature of an optional internal wireless print server to 
provide WPA-Enterprise security support.
Support for 802.1x requires the establishment of credentials for the printer. The printer must be known to the...

Black only mode
84
Administrative support
Printing Lockout
Printing Lockout lets you lock or unlock a printer using an assigned PIN. When locked, every job the printer receives will 
buffer to the hard disk. A user can print jobs only by entering the correct PIN on the operator panel. You can assign a PIN 
through the Web page of the device.
Note:This setting is only available when a hard disk is installed.
Note:Back channel data will be processed while the printer is locked. Reports such as user or...

Using the Coverage Estimator
85
Administrative support
Using the Coverage Estimator
The Coverage Estimator provides you with an estimate of the percent coverage of cyan, magenta, yellow, and black toner 
on a page. These estimates are printed on the page.
To turn on the Coverage Estimator utility:
1Make sure your printer is on.
2Press   on the operator panel.
3Press  until  Settings appears, and then press  .
4Press  until  Utilities Menu appears, and then press  .
5Press   until you see On, and then...

Configuring printer alerts
86
Administrative support
Configuring printer alerts
You can configure the printer several ways to let you know when it requires attention.
Using the Setup Menu
Selecting Auto Continue may affect how the printer alerts execute. This setting defines how long the printer waits after 
displaying a message before it resumes printing.
Using MarkVision Professional
MarkVision™ Professional, the network printer management utility, indicates when it is time to replace supplies and...

Troubleshooting
87
7Troubleshooting
Online customer support
Customer support is available on the 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 behind the toner waste container door of the 
printer for this information. The toner waste container...

Solving printing problems
88
Troubleshooting
Solving printing problems
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.
Performing Self Test appears on the display. When the 
test is completed, the Ready message is displayed.
If the messages do not appear, turn the printer off and call for 
service.
The message Error 
reading USB drive 
appears when using a 
USB...

Solving mailbox problems
89
Troubleshooting
Solving mailbox problems
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 and 
what is set on the printers operator panel.
Incorrect characters 
print.You are using an 
incompatible parallel 
cable.If you are using a parallel interface, make sure...

Solving option problems
90
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. For more informations,...