Lexmark C935dn User Manual

							11Close Door E.
Replacing a photoconductor
Replace the black photoconductor when 84 Replace black pc unit appears. Replace the cyan, magenta, and
yellow photoconductors when 84 Replace color pc units appears.
1Open Door E (front printer door).
Warning—Potential Damage: To avoid overexposing the photoconductors, do not leave the door open for more
than 10 minutes.
2Release the bar by pressing the E5 button located on the bottom of the E5 latch, lift the E5 latch, and then press
the bar down.
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							3Remove the photoconductor(s) specified on the display.
Photoconductor colorOpening name
Black E1
Cyan E2
Magenta E3
Yellow E4
4Unpack the replacement photoconductor.
5Align and insert the end of the photoconductor.
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							6Remove the tape from the top of the photoconductor.
7Press the button forward to insert the photoconductor while removing the casing.
8Lift the bar up, and then press latch E5 down so that it holds the bar in position.
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							9Close Door E.
Replacing a toner cartridge
Replace the specified toner cartridge (cyan, magenta, yellow, or black) when 88 Replace  toner
appears. The printer will not continue printing until the specified cartridge is replaced.
1Make sure the printer is on and Ready or 88 Replace  toner appears.
2Unpack the new cartridge, and set it near the printer.
3Open Door E (front printer door).
4Unlock the specified cartridge by turning the cartridge counterclockwise until the arrow‑shaped handle points
toward the unlock symbol.
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							5Remove the cartridge by gently pulling it away from the printer.
6Align the arrow‑shaped handle with the unlock symbol, and then insert the toner cartridge all the way into the
opening.
7Lock the cartridge by turning the arrow‑shaped cartridge handle clockwise until it points toward the lock symbol.
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							8Close Door E.
Recycling Lexmark products
To return Lexmark products to Lexmark for recycling:
1Visit our Web site at www.lexmark.com/recycle.
2Find the product type you want to recycle, and then select your country from the list.
3Follow the instructions on the computer screen.
Moving the printer
Before moving the printer
CAUTION—POTENTIAL INJURY: The printer weighs 201 lb (91.2 kg); therefore, it requires at least four people or
a properly rated mechanical handling system to lift it safely. Use the handholds on the sides of the printer to lift
it, and make sure your fingers are not under the printer when you set it down. Disconnect all cords and cables
from the printer before moving it.
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							Follow these guidelines to avoid personal injury or printer damage:
Use at least four people or a properly rated mechanical handling system to lift the printer.
Turn the printer off using the power switch, and then unplug the power cord from the wall outlet.
Disconnect all cords and cables from the printer before moving it.
Remove all printer options before moving the printer.
Warning—Potential Damage: Damage to the printer caused by improper moving is not covered by the printer
warranty.
Moving the printer to another location
The printer and options can be safely moved to another location by following these precautions:
Any cart used to move the printer must have a surface able to support the full footprint of the printer. Any cart
used to move the options must have a surface able to support the dimensions of the options.
Keep the printer in an upright position.
Avoid severe jarring movements.
Setting the printer up in a new location
For a basic printer, or a printer with an optional finisher installed, allow the following recommended amount of space
around the printer:
12 in. (50 mm)
22.7 ft (825 mm)
31.4 ft (418 mm)
44 in. (100 mm)
52.3 ft (693 mm)
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							Shipping the printer
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							Administrative support
Adjusting the brightness or contrast of the display
1Make sure the printer is on and Ready appears.
2From the control panel, press .
3Press  repeatedly until Settings appears, and then press .
4Press  repeatedly until Utilities Menu appears, and then press .
5Press  repeatedly until appears next to LCD Brightness or LCD Contrast, and then press .
Note: Select LCD Brightness to adjust the brightness setting or LCD Contrast to adjust the contrast
setting.
6Press  repeatedly to decrease the setting or  repeatedly to increase the setting, and then press .
Disabling control panel menus
Since many people often use a printer, a support person may choose to lock the control panel menus so that the settings
cannot be changed from the control panel.
1Make sure the printer is turned off.
2From the control panel, press and hold  and  while turning the printer on.
3Release both buttons when Performing Self Test appears.
The printer performs its power‑on sequence, and then CONFIG MENU appears.
4Press  repeatedly until Panel Menus appears, and then press .
5Press  repeatedly until  appears next to Disable, and then press .
Note: Select Enable to enable the control panel menus.
6Press  repeatedly until Exit Config Menu appears, and then press .
The printer performs its power‑on sequence, and then Ready appears.
Adjusting Power Saver
1Make sure the printer is on and Ready appears.
2From the control panel, press .
3Press  repeatedly until Settings appears, and then press . Administrative support149
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							4Press  repeatedly until Setup Menu appears, and then press .
5Press  repeatedly until Power Saver appears, and then press .
6Press  repeatedly to decrease or  repeatedly to increase the number of minutes before the printer enters Power
Saver mode, and then press 
. Available settings range from 2–240 minutes.
Note: Power Saver settings can also be adjusted 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.
Restoring the factory default settings
1From the control panel, press .
2Press  until Settings appears, and then press .
3Press  until Setup appears, and then press .
4Press  until Factory Defaults appears, and then press .
5Press  until Restore Now appears, and then press .
Restoring Factory Defaults appears.
Warning—Potential Damage: Restore Now returns all printer settings to the factory default settings except
Network/Port menu settings. All downloads stored in RAM are deleted. Downloads stored in flash memory or
on a printer hard disk are not affected.
Encrypting the printer hard disk
This functionality is available only when a printer hard disk is installed and working properly.
Warning—Potential Damage: All files and resources on the printer hard disk will be deleted. Resources residing in
the printer flash memory or RAM will not be affected.
1Turn the printer off.
2From the control panel, press and hold  and  while turning the printer on.
3Release both buttons when Performing Self Test appears.
The printer performs its power‑on sequence, and then CONFIG MENU appears.
4Press  repeatedly until Disk Encryption appears, and then press .
5Press  repeatedly until appears next to Enable or Disable, and then press .
Note: Select Enable to enable hard disk encryption or Disable to disable hard disk encryption.
Contents will be lost. Continue? appears. Administrative support150
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