Lexmark MX721 User Manual page 6

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Contents
Paper jam in door C.........................................................................................................................................213
Paper jam in the standard bin.......................................................................................................................214
Paper jam in the multipurpose feeder........................................................................................................215
Paper jam in the automatic document feeder..........................................................................................216
Troubleshooting........................................................................................ 218
Print quality problems.....................................................................................................................................218
Printing problems.............................................................................................................................................219
Unable to read flash drive............................................................................................................................ 250
Enabling the USB port...................................................................................................................................250
Network connection problems.....................................................................................................................251
Hardware options problems........................................................................................................................ 253
Issues with supplies....................................................................................................................................... 254
Paper feed problems..................................................................................................................................... 256
E-mailing problems.........................................................................................................................................260
Faxing problems.............................................................................................................................................. 261
Scanning problems........................................................................................................................................ 266
Contacting customer support...................................................................................................................... 273
Upgrading and migrating........................................................................ 274
Hardware...........................................................................................................................................................274
Software............................................................................................................................................................ 289
Firmware............................................................................................................................................................ 291
Notices....................................................................................................... 293
Index.......................................................................................................... 309
6

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