Lexmark 840 Series manual Maintaining the printer

Models: 840 Series

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Maintaining the printer

23

Changing the print cartridges

23

Removing a used print cartridge

23

Installing print cartridges

24

Achieving better print quality

25

Improving print quality

25

Aligning the print cartridges

25

Cleaning the print cartridge nozzles

25

Wiping the print cartridge nozzles and contacts

26

Preserving the print cartridges

27

Ordering supplies

27

Recycling Lexmark products

28

Troubleshooting

29

Setup troubleshooting

29

Power light is not lit

29

Software does not install

29

Page does not print

30

Print troubleshooting

32

Improving print quality

32

Poor text and graphic quality

32

Poor quality at the edges of the page

33

Print speed is slow

34

Printer does not print or respond

35

Jams and misfeeds troubleshooting

35

Paper jam in the printer

35

Paper jam in the paper support

35

Paper or specialty media misfeeds

35

Printer does not feed paper, envelopes, or specialty media

36

Banner paper jams

36

Blinking power light troubleshooting

37

Power light blinks slowly

37

Power light blinks rapidly

37

Error messages troubleshooting

37

Cartridge Alert

37

Black cartridge replacement required

37

Color cartridge replacement required

37

Black and Color cartridge replacement required

38

Paper Jam

38

Out of Paper

38

Removing and reinstalling the software

38

Contents

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Lexmark 840 Series manual Maintaining the printer