Lexmark C782n XL User Manual

							Clearing mailbox, finisher, or output expander jams (Area M)
71
Clearing paper jams
Clearing mailbox, finisher, or output expander jams (Area M)
1Open the rear door of the 5-bin mailbox or output expander.
2Pull the jam straight out, and then close the door.
Clearing fuser jams
1Clear the paper path. If the jam error message persists, go to step 2.
2Open both the upper right and the lower right access doors (Areas K and L).
CAUTION:The fuser assembly may be hot. Let it cool before continuing.
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							Clearing fuser jams
72
Clearing paper jams
3Pull down the latches. They slide toward the center to release the fuser.
4Pull the fuser out, and set it on a clean, flat surface.
5Unsnap the housing and set it aside.
6Lift up the fuser roller cover and remove the jam.
7Close the fuser roller cover.
8Snap the housing back onto the fuser.
9Insert the fuser back into the printer.
10Slide the latches out, and then pull up to refasten them.
11Close the doors.
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							Clearing image transfer unit jams
73
Clearing paper jams
Clearing image transfer unit jams
1Open the front access door and the left access door.
2While holding down the front access door, insert a folded piece of paper as shown to clear the paper sensors 
under the image transfer unit. Make sure to clear the entire width of the paper path.
3Close the left access door and the front access door. If the jam persists, continue with step 4.
4Turn the printer off. Open the front cover.
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							Clearing image transfer unit jams
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Clearing paper jams
5Remove all the print cartridges.
aPull up slightly on the cartridge handhold.
bPull the cartridge straight out and use the handle to lift it off the guides.
cPlace the cartridges on a clean, flat surface out of direct light.
6Release the latches to open the multipurpose feeder (area A) all the way.
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							Clearing image transfer unit jams
75
Clearing paper jams
7Remove the image transfer unit.
aRaise the lever to unlock the image transfer unit.
bPull down on the handle.
cSlide the image transfer unit out and place it on a clean, flat surface.
Warning:Do not touch the transfer belt. Touching the belt will damage the image transfer unit.
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							Clearing image transfer unit jams
76
Clearing paper jams
8Look inside the printer. Remove all torn paper or other jams.
9Insert the image transfer unit back into the printer.
aAlign the guides with the insertion grooves and gently slide the unit in.
bRotate the handle up, and push gently to lock the unit in place.
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							If you still need help
77
Clearing paper jams
cLower the lever to lock the image transfer unit into place.
10Return the multipurpose feeder to its working position.
Reinstall all the print cartridges.
11Close the printer door.
12Turn the printer on. The printer returns to a Ready state. 
If you still need help
1Turn the printer off and then back on.
2Contact your administrator or Help desk if you need more assistance.
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							Administrative support
78
6Administrative support
Adjusting operator panel brightness and contrast
The LCD operator panel contrast and brightness can be adjusted through the Utilities menu. For more information, see the 
Menus and Messages Guide.
The LCD Brightness and LCD Contrast settings are adjusted separately. To change the LCD Brightness or LCD Contrast 
settings:
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   appears next to the LCD setting you want to change, and then press  .
6Press   to increase the brightness or contrast, or press   to decrease the brightness or contrast.
7When the adjustment is complete, press  .
This saves this setting as the new user default and the printer returns to Ready.
Disabling operator panel menus
Since many people could be using the printer, an administrator may choose to lock the operator panel menus to keep 
others from changing menu settings from the operator panel.
To disable the operator panel menus so that changes cannot be made to the printer default settings:
1Turn the printer off.
Note:Disabling the operator panel menus does not prevent access to Print and Hold functionality.
2Press and hold   and   while turning the printer on.
3Release both buttons when Performing Self Test appears on the display.
The printer performs its power-on sequence, and then Config Menu appears on the first line of the display.
4Press  until  Panel Menus appears, and then press  .
5Press  until  Disable appears, and then press  .
The following messages appear briefly: Submitting Selection and Disabling Menus. The operator panel 
returns to Panel Menus.
6Press  until  Exit Config Menus appears, and then press  .
Activating Menu Changes appears. The menus are disabled. 
Resetting the Printer appears briefly followed by a clock. The operator panel then returns to Ready.
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							Enabling operator panel menus
79
Administrative support
Enabling operator panel menus
1Turn the printer off.
2Press and hold   and   while turning the printer on.
3Release both buttons when Performing Self Test appears on the display.
The printer performs its power-on sequence, and then Config Menu appears on the first line of the display.
4Press  until  Panel Menus appears, and then press  .
5Press  until  Enable appears, and then press  .
The following messages appear briefly in succession: Submitting Selection and Enabling Menus. 
The operator panel returns to Panel Menus.
6Press  until  Exit Config Menus appears, and then press  .
Activating Menu Changes appears. The menus are enabled.
Resetting the Printer appears briefly followed by a clock. The operator panel then returns to Ready.
Restoring factory default settings
When you first enter the printer menus from the operator panel, you may notice an asterisk (*) to the left of a value in the 
menus. This asterisk indicates the factory default setting. These settings are the original printer settings. (Factory defaults 
may vary for different regions.)
When you select a new setting from the operator panel, Submitting Selection appears. When the Submitting Selection 
message disappears, an asterisk appears next to the setting to identify it as the current user default setting. These settings 
are active until new ones are stored or the factory defaults are restored.
To restore the original printer factory default settings:
Warning:All downloaded resources (fonts, macros, and symbol sets) in printer memory (RAM) will be deleted. 
(Resources residing in flash memory or on the optional hard disk remain unaffected.)
1Make sure the printer is on and Ready appears on the display.
2Press   on the operator panel.
3Press  until  Settings appears, and then press  .
4Press  until  Setup Menu appears, and then press  .
5Press  until  Factory Defaults appears, and then press  .
6Press  until  Restore Now appears, and then press  .
7The message Restoring Factory Defaults appears, followed by the Ready message.
When you select Restore:
•No other button actions are available on the operator panel while Restoring Factory Defaults appears.
•All menu settings return to the factory default values, except:
–The operator panel Display Language setting in the Setup menu
–All settings under the Network/Ports menu
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							Adjusting Power Saver
80
Administrative support
Adjusting Power Saver
To adjust the Power Saver setting:
1Make sure the printer is on and Ready appears on the display.
2Press   on the operator panel.
3Press  until  Settings appears, and then press  .
4Press  until  Setup Menu appears, and then press  .
5Press  until  Power Saver appears, and then press  .
6Using the right and left arrows on the operator panel, enter the number of minutes for the printer to wait before 
entering Power Saver.
The settings available range from 1–240 minutes.
7Press .
Submitting Selection appears.
Note:You can also adjust the Power Saver setting by issuing a Printer Job Language (PJL) command. For 
more information, see the Technical Reference available on the Lexmark Web site at 
www.lexmark.com/publications.
Encrypting the disk
Warning:All resources on the hard disk and RAM will be deleted.
Note:This setting is only available when a hard disk is installed.
1Turn the printer off.
2Press and hold   and   while turning the printer on.
3Release both buttons when Performing Self Test appears on the display.
The printer performs its power-on sequence, and then Config Menu appears on the first line of the display.
4Press  until  Disk Encryption appears, and then press  .
5Press  until  Enable 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  .
To disable disk encryption:
1Turn the printer off.
2Press and hold   and   while turning the printer on.
3Release both buttons when Performing Self Test appears on the display.
The printer performs its power-on sequence, and then Config Menu appears on the first line of the display.
4Press  until  Disk Encryption appears, and then press  .
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