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