Lexmark X544 Maintenance Manual

Replacing a toner cartridge
Replace the specified toner cartridge (yellow, cyan, magenta, or black) when 88 Replace 
Cartridge appears. The printer will not continue printing until the specified cartridge is replaced.
Warning—Potential Damage: Damage caused by use of a non-Lexmark toner cartridge is not covered under warranty.Note: Degraded print quality may result from using non-Lexmark toner cartridges.
1Make sure the printer is on and Ready or 88 Replace  Cartridge appears.
2Unpack the new cartridge,...

5Align the new toner cartridge, and then press down until it is all the way into the slot.
6Close the top door.
Replacing a developer unit
Replace a developer unit when a print quality defect occurs or when damage occurs to the printer.
1Grasp the front door at the side handholds, and then pull it toward you to open it.
CAUTION—HOT SURFACE: The inside of the printer might be hot. To reduce the risk of injury from a hot
component, allow the surface to cool before touching.Maintaining the printer
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2Open the top door.
3Remove the toner cartridges by lifting the handles and then gently pulling away from the imaging kit.
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4Remove the right side cover.
5Press the green levers on each side of the waste toner bottle, and then remove it.
6Lift the blue levers on the imaging kit, and then pull it toward you.
7Press down on the blue levers, grasp the handles on the sides, and then pull the imaging kit out.
Warning—Potential Damage: Do not touch the underside of the imaging kit. This could damage the imaging kit.
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8Remove the used developer unit.
9Place the used developer in the enclosed package.
10Unpack the replacement developer unit.
Leave the packaging on the developer unit.
11Gently shake the developer unit side to side.
12Remove the red shipping cover from the developer unit.
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13Insert the developer unit.
14Align and insert the imaging kit.
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15Replace the waste toner bottle.
16Replace the right side cover.
17Replace the toner cartridges.
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18Close the top door.
19Close the front door.
Cleaning the exterior of the printer
1Make sure that the printer is turned off and unplugged from the wall outlet.
CAUTION—SHOCK HAZARD: To avoid the risk of electric shock when cleaning the exterior of the printer,
unplug the power cord from the wall outlet and disconnect all cables from the printer before proceeding.
2Remove paper from the standard exit tray.
3Dampen a clean, lint-free cloth with water.
Warning—Potential Damage: Do not use household...

Cleaning the scanner glass
Clean the scanner glass if you encounter print quality problems, such as streaks on copied or scanned images.
Note:  Clean both areas of the scanner glass and both white underside areas.
1Slightly dampen a soft, lint-free cloth or paper towel with water.
2Open the scanner cover.
1White underside ADF cover2White underside scanner glass cover3Scanner glass4ADF glass
3Wipe the scanner glass until it is clean and dry.
4Wipe the white underside of the scanner cover until it is clean...

•Lift the printer off of the optional drawer and set it aside instead of trying to lift the drawer and printer at the same
time.
Note: Use the handholds located on both sides of the printer to lift it off the optional drawer.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...