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Encrypting the printer hard disk............................................................................................................150
Locking the control panel menus using the Embedded Web Server.....................................................151
Locking the entire printer......................................................................................................................151
Modifying confidential print settings....................................................................................................152
Supporting IPSec...................................................................................................................................152
Supporting SNMPv3..............................................................................................................................152
Using 802.1x authentication.................................................................................................................153
Creating an administrative password....................................................................................................154
Using Secure mode................................................................................................................................154
Troubleshooting.......................................................................................155
Checking an unresponsive printer.........................................................................................................155
Door A will not shut properly................................................................................................................155
Solving printing problems.....................................................................................................................156
Multiple‑language PDFs do not print..............................................................................................................156
Control panel display is blank or displays only diamonds...............................................................................156
Error message about reading USB drive appears ...........................................................................................156
Jobs do not print .............................................................................................................................................156
Confidential and other held jobs do not print ................................................................................................157
Job takes longer than expected to print .........................................................................................................158
Job prints from the wrong tray or on the wrong paper..................................................................................158
Incorrect characters print ...............................................................................................................................158
Tray linking does not work..............................................................................................................................158
Large jobs do not collate.................................................................................................................................159
Unexpected page breaks occur.......................................................................................................................159
Solving option problems........................................................................................................................159
Option does not operate correctly or quits after it is installed ......................................................................159
Drawers...........................................................................................................................................................160
Finisher ...........................................................................................................................................................160
Flash memory card .........................................................................................................................................161
Hard disk with adapter ...................................................................................................................................161
Internal print server........................................................................................................................................161
Memory card ..................................................................................................................................................161
USB/parallel interface card.............................................................................................................................161
Solving paper feed problems.................................................................................................................161
Paper frequently jams.....................................................................................................................................161
Print jobs are not routed to the booklet‑maker bin .......................................................................................162
Paper jam message remains after jam is cleared ...........................................................................................162
Page that jammed does not reprint after you clear the jam ..........................................................................162
Solving print quality problems..............................................................................................................163
Isolating print quality problems......................................................................................................................163
Contents 6
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