Control-panel messages .................................................................................................................. 169
Alert and warning messages .......................................................................................... 169
Alert and warning message tables .................................................................. 169
Critical error messages .................................................................................................... 177
Critical error message-tables .......................................................................... 177
Clear jams ........................................................................................................................................ 179
Causes of jams ................................................................................................................ 179
Where to look for jams ..................................................................................................... 180
Clear jams from the ADF ................................................................................................. 180
Clear jams from the input-tray areas ............................................................................... 182
Clear jams from the duplexer ........................................................................................... 184
Clear jams from the output-bin areas .............................................................................. 186
Top (face-down) output bin ............................................................................. 186
Rear (face-up) output bin ................................................................................ 187
Clear jams from the print-cartridge area .......................................................................... 188
Clear jams from the convenience stapler (HP LaserJet M2727nfs MFP only) ................ 189
Avoid repeated jams ....................................................................................................... 190
Control-panel menus ........................................................................................................................ 191
Use the control-panel main menus .................................................................................. 191
Control-panel main menus ............................................................................................... 191
Control-panel secondary menus ...................................................................................... 199
Use the control-panel secondary menus ......................................................... 199
Control-panel secondary menus ..................................................................... 199
Print problems .................................................................................................................................. 204
Print-quality problems ...................................................................................................... 204
Improve print quality ........................................................................................ 204
Print-quality settings ....................................................................... 204
Identify and correct print defects ..................................................................... 205
Print-quality checklist ...................................................................... 205
General print-quality issues ............................................................ 205
Scan problems ................................................................................................................................. 211
Solve scanned-image problems ...................................................................................... 211
Scan-quality problems ..................................................................................................... 213
Prevent problems ............................................................................................ 213
Solve scan-quality problems ........................................................................... 213
Copy problems ................................................................................................................................. 214
Prevent problems ............................................................................................................. 214
Image problems ............................................................................................................... 214
Media-handling problems ................................................................................................ 215
Performance problems .................................................................................................... 217
Fax problems .................................................................................................................................... 218
General fax problem-solve ............................................................................................... 218
Problems receiving faxes ................................................................................................. 219
Problems sending faxes .................................................................................................. 222
Voice-call problems ......................................................................................................... 224
Media-handling problems ................................................................................................ 225
Performance problems .................................................................................................... 226
Control-panel display problems ........................................................................................................ 227
Convenience-stapler problems (HP LaserJet M2727nfs only) ......................................................... 227
DSL problems ................................................................................................................................... 228
ENWW vii
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