Lexmark C770 Printer User Manual


 
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Contents
Print cartridges ...............................................................................................................................................59
Toner waste container ...................................................................................................................................60
Fuser and ITU ................................................................................................................................................60
Recycling Lexmark products ..........................................................................................................................61
Chapter 5: Clearing paper jams ....................................................................................... 62
Identifying jams ..............................................................................................................................................62
Access doors and trays .................................................................................................................................63
Understanding jam messages .......................................................................................................................64
Clearing the entire paper path .......................................................................................................................65
Clearing mailbox, finisher, or output expander jams (Area M) .......................................................................69
Clearing fuser jams ........................................................................................................................................69
Clearing image transfer unit jams ..................................................................................................................71
If you still need help .......................................................................................................................................77
Chapter 6: Administrative support .................................................................................. 78
Adjusting operator panel brightness and contrast .........................................................................................78
Disabling operator panel menus ....................................................................................................................78
Enabling operator panel menus .....................................................................................................................79
Restoring factory default settings ..................................................................................................................79
Adjusting Power Saver ..................................................................................................................................80
Encrypting the disk ........................................................................................................................................80
Setting security using the Embedded Web Server (EWS) .............................................................................81
Black only mode ............................................................................................................................................84
Aligning the image transfer unit .....................................................................................................................85
Using the Coverage Estimator .......................................................................................................................86
Size sensing ..................................................................................................................................................86
Configuring printer alerts ...............................................................................................................................87
Chapter 7: Troubleshooting ............................................................................................. 88
Online customer support ................................................................................................................................88
Calling for service ..........................................................................................................................................88
Checking an unresponsive printer .................................................................................................................88
Printing multi-language PDFs ........................................................................................................................88
Solving printing problems ..............................................................................................................................89
Solving mailbox problems ..............................................................................................................................90
Solving option problems ................................................................................................................................91
Solving paper feed problems .........................................................................................................................93
Solving print quality problems ........................................................................................................................93
Solving color quality problems .......................................................................................................................98
Chapter 8: Notices .......................................................................................................... 102