Lexmark C935 Troubleshooting

C935 Series

Maintenance Guide

April 2007 www.lexmark.com

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 control panel .....................................................................................4

Printing a menu settings page ............................................................................................................................ 4

Checking the status of supplies from a network computer................................................................................ 4

Ordering supplies......................................................................................................................................4

Ordering toner cartridges ................................................................................................................................... 4

Ordering photoconductors .................................................................................................................................5

Ordering staple cartridges ..................................................................................................................................5

Ordering a waste toner box ................................................................................................................................ 5

Replacing supplies.....................................................................................................................................6

Replacing the waste toner box ...........................................................................................................................6

Cleaning the printhead lenses .......................................................................................................................... 10

Replacing a photoconductor............................................................................................................................. 15

Replacing a toner cartridge............................................................................................................................... 17

Recycling Lexmark products....................................................................................................................19

Moving the printer..................................................................................................................................20

Before moving the printer ................................................................................................................................20

Moving the printer to another location............................................................................................................ 20

Setting the printer up in a new location ........................................................................................................... 20

Shipping the printer.......................................................................................................................................... 21

Contents

Maintaining the printer

Periodically, certain tasks are required to maintain optimum print quality.

Cleaning the exterior of the printer

1 Make sure that the printer is turned off and unplugged from the wall outlet.

CAUTION—SHOCK HAZARD: To avoid the risk of electric shock, unplug the power cord from the wall outlet

and disconnect all cables to the printer before proceeding.

Remove paper from the paper support and paper exit tray.

3 Dampen 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.

4 Wipe only the outside of the printer, making sure to remove any ink residue that has accumulated on the paper

exit tray.

Warning—Potential Damage:

5 Make sure the paper support and paper exit tray are dry before beginning a new print job.

Using a damp cloth to clean the interior may cause damage to your printer.

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 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

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 control panel

1 Make sure the printer is on and Ready appears.

2 From the control panel, press until Status / Supplies appears, and then press .

3 Press until View supplies appears, and then press .

The status of each supply appears.

Printing a menu settings page

Print a menu settings page to review the status of the supplies.

1 Make sure the printer is on and Ready appears.

From the control panel, press .

3 Press repeatedly until Reports appears, and then press .

Press repeatedly until Menu Settings Page appears, and then press .

Printing Menu Settings appears. After the menu settings page prints, Ready appears.

Checking the status of supplies from a network computer

Note: The computer must be connected to the same network as the printer.

Open a Web browser.

In the address bar, type the IP address of the network printer (for example,192.264.263.17).

Press Enter.

The Device Status Page appears. A summary of supply levels is displayed.

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.

All life estimates for printer supplies assume printing on letter‑ or A4‑size plain paper.

Note:

Ordering toner cartridges

When 88 Cyan toner low, 88 Magenta toner low, 88 Yellow toner low, or 88 Black toner low appears, order a new cartridge.

Maintaining the printer

When 88 Replace Cyan toner, 88 Replace Magenta toner, 88 Replace Yellow toner, or 88 Replace Black toner appears, you must replace the specified toner cartridge.

The recommended toner cartridges specifically designed for the printer are:

Part name Part number

Cyan High Yield Toner Cartridge C930H2CG

Magenta High Yield Toner Cartridge C930H2MG

Yellow High Yield Toner Cartridge C930H2YG

Black High Yield Toner Cartridge C930H2KG

Ordering photoconductors

When 84 Black pc unit life warning or 84 color pc unit life warning appears, order replacement photoconductor(s).

Part name Part number

Single PC Unit C930X72G

3 Pack of PC Units C930X73G

Ordering staple cartridges

When Staples <x> low or missing appears, order the specified staple cartridge. When Staples <x> empty or misfed or Load staples <x> appears, replace the specified staple cartridge.

See the illustrations inside the stapler finisher door for more information.

Part name Part number

Staple Cartridges–3 pack (Staples G5) 25A0013

Advanced Booklet Staples

(Staples G11 and Staples G12)

21Z0357

Ordering a waste toner box

When 82 Waste toner box nearly full appears, order a replacement waste toner box. The waste toner box must be replaced when 82 Replace waste toner box appears.

Part name Part number

Waste Toner Box C930X76G

Maintaining the printer

Replacing supplies

Replacing the waste toner box

Replace the waste toner box when 82 Replace waste toner box appears. The printer will not continue printing until the waste toner box is replaced.

1 Waste toner box

2 Door E6

3 Door E

4 Printhead lens cleaner

5 E6 Door tab

Maintaining the printer

1 Unpack the replacement waste toner box and accessories.

2 Open Door E (front printer door).

Warning—Potential Damage:

than 10 minutes.

To avoid overexposing the photoconductors, do not leave the door open for more

3 Grasp the E6 Door tab, and then push the door down.

Maintaining the printer

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