Lexmark W850 Operating manual
W850
Maintenance Guide
August 2011 www.lexmark.com
Contents
Maintaining the printer................................................................................3
Cleaning the exterior of the printer..........................................................................................................3
Storing supplies.........................................................................................................................................3
Conserving supplies...................................................................................................................................3
Checking the status of supplies.................................................................................................................4
Checking the status of supplies from the printer control panel.........................................................................4
Checking the status of supplies from a network computer................................................................................4
Ordering supplies......................................................................................................................................4
Part numbers.......................................................................................................................................................4
Ordering a toner cartridge..................................................................................................................................4
Ordering a photoconductor kit...........................................................................................................................5
Ordering a maintenance kit................................................................................................................................5
Ordering staple cartridges...................................................................................................................................5
Replacing supplies.....................................................................................................................................6
Replacing the toner cartridge.............................................................................................................................6
Replacing the photoconductor............................................................................................................................8
Moving the printer..................................................................................................................................11
Before moving the printer.................................................................................................................................11
Moving the printer to another location............................................................................................................15
Shipping the printer..........................................................................................................................................15
Contents
2
Maintaining the printer
Periodically, certain tasks are required to maintain optimum print quality.
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 to the printer before proceeding.
2Remove paper from the standard exit bin.
3Dampen a clean, lint-free cloth with water.
Warning—Potential Damage: Do not use household cleaners or detergents, as they may damage the finish of the
printer.
4Wipe only the outside of the printer, making sure to include the standard exit bin.
Warning—Potential Damage: Using a damp cloth to clean the interior may cause damage to your printer.
5Make sure the paper support and standard exit bin are dry before beginning a new print job.
Storing supplies
Choose a cool, clean storage area for the printer supplies. Store supplies right side up in their original packing until you
are ready to use them.
Do not expose supplies to:
•Direct sunlight
•Temperatures above 35°C (95°F)
•High humidity above 80%
•Salty air
•Corrosive gases
•Heavy dust
Conserving supplies
There are some settings you can change from the printer control panel that will help you conserve toner and paper.
For more information, see “Supplies menu,” “Quality menu,” and “Finishing menu.”
If you need to print several copies, you can conserve supplies by printing the first copy and checking it for accuracy
before printing the remaining copies.
Maintaining the printer
3
Checking the status of supplies
A message appears on the display when a replacement supply item is needed or when maintenance is required.
Checking the status of supplies from the printer control panel
1Make sure the printer is on and Ready appears.
2From the printer control panel, press the up or down arrow button until Status/Supplies appears, and then
press .
3Press the up or down arrow button until View supplies appears, and then press .
The status of each supply appears.
Checking the status of supplies from a network computer
Note: The computer must be connected to the same network as the printer.
1Type the printer IP address into the address field of your Web browser.
Note: If you do not know the IP address of the printer, print a network setup page and locate the IP address in the
TCP/IP section.
2Click Device Status. The Device Status page appears, displaying a summary of supply levels.
Ordering supplies
To order supplies in the U.S., contact Lexmark at 1-800-539-6275 for information about Lexmark authorized supplies
dealers in your area. In other countries or regions, visit the Lexmark Web Site at www.lexmark.com or contact the
place where you purchased the printer.
Note: All life estimates for printer supplies assume printing on letter- or A4-size plain paper.
Part numbers
Part name Part number For printer
Toner Cartridge W850H21G W850
Photoconductor Kit W850H22G W850
Maintenance kit (low voltage) 40X0956 W850
Maintenance kit (high voltage) 40X0957 W850
Maintenance kit (100 volt) 40X0958 W850
Staple Cartridge 25A0013 W850
Ordering a toner cartridge
When 88 Cartridge low appears, order a new cartridge.
Maintaining the printer
4
When 88 Replace Cartridge appears, you must replace the cartridge.
Estimated cartridge yield is based on the ISO/IEC 19798 standard (with about 5% coverage per color). Extremely low
print coverage (less than 1.25%) for extended periods of time may negatively affect actual yield and may cause cartridge
parts to fail prior to exhaustion of toner.
Ordering a photoconductor kit
When 84 Replace photoconductor or 84 Photoconductor low appears, order a new photoconductor kit.
Ordering a maintenance kit
When 80 Routine maintenance needed appears, order a maintenance kit. The maintenance kit contains all
the items necessary to replace the pick rollers, transfer roller, and fuser.
Note: Using certain types of paper may require more frequent replacement of the maintenance kit. The pick rollers,
transfer roller, and fuser can also be individually ordered and replaced as necessary.
Ordering staple cartridges
When Staples Low or Staples Empty appears, order the specified staple cartridge.
For more information, see the illustrations inside the stapler door.
Part name Part number
Staple Cartridges–3 pack 25A0013
Maintaining the printer
5
Replacing supplies
Replacing the toner cartridge
When 88 Cartridge low, 88.yy Replace cartridge, or 88 Replace cartridge to continue
appears, or when print becomes faded:
1Turn the printer off.
2Open the front door.
3Grasp the handle and pull out the cartridge.
4Unpack a new cartridge.
Warning—Potential Damage: When replacing a toner cartridge, do not leave the new cartridge exposed to direct
light for an extended period of time. Extended light exposure can cause print quality problems.
Maintaining the printer
6
5Firmly shake the cartridge side-to-side several times to redistribute the toner.
6Insert the new cartridge into the printer. Push the toner cartridge in as far as it will go. The cartridge clicks into
place when correctly installed.
7Close the front door.
Maintaining the printer
7
Replacing the photoconductor
You can determine approximately how full the photoconductor is by printing the printer settings configuration sheet.
This helps you decide when you might need to order replacement supplies.
To ensure print quality and to avoid damage to the printer, the printer stops operating after the photoconductor has
reached a maximum of 60,000 pages. The printer automatically notifies you before the photoconductor reaches this
point.
When 84 Replace photoconductor or 84 Photoconductor low appears, order a new photoconductor
immediately. While the printer may continue to function properly after the photoconductor has reached its official
end-of-life, print quality significantly decreases.
To replace the photoconductor:
1Turn the printer off.
2Open the front door.
Note: The photoconductor cannot be pulled out if Side Door A is closed.
Maintaining the printer
8
3Lower Side Door A.
4Pull the photoconductor out of the printer.
Place the photoconductor on a flat, clean surface.
5Unpack the new photoconductor.
Maintaining the printer
9
6Align and insert the end of the photoconductor.
7Remove the tape from the top of the photoconductor.
8Push the photoconductor as far as it will go.
The photoconductor clicks into place when correctly installed.
Maintaining the printer
10
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