Lexmark 840 Series Printer User Manual


 
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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