LED diagnostics ............................................................................................................... 229 Control-panel diagnostics ................................................................................................ 230 Fax reports ....................................................................................................................... 230 Diagrams ......................................................................................................................... 240 Print-quality troubleshooting tools ....................................................................................
252 Internal print quality test pages ........................................................................................ 253 Engine print mode specifications ..................................................................................... 255 HP ToolboxFX software ................................................................................................... 256 Control-panel messages .................................................................................................................. 257 Event-log messages .........................................................................................................................
277 Print the event log ............................................................................................................ 277 Event log messages ........................................................................................................ 277 Event-log-only messages ................................................................................................ 279 Paper-handling problems ................................................................................................................. 281 Jams ................................................................................................................................
281 Solve image quality problems .......................................................................................................... 295 General image quality problems ...................................................................................... 295 Solve issues with color documents .................................................................................. 299 Copy problems ................................................................................................................. 300 Scan problems .................................................................................................................
304 Solve performance problems ........................................................................................................... 308 Solve connectivity problems ............................................................................................................. 309 Solve direct-connection problems .................................................................................... 309 Solve network problems (network models only) .............................................................. 309 Service mode functions ....................................................................................................................
311 Service menu ................................................................................................................... 311 Secondary service menu ................................................................................................. 311 Product resets .................................................................................................................. 313 Solve fax problems (fax/memory-card models only) ........................................................................ 314 Fax logs and reports ........................................................................................................
314 Change error correction and fax speed ........................................................................... 316 Problems sending faxes .................................................................................................. 317 Problems receiving faxes ................................................................................................. 319 Performance problems .................................................................................................... 322 Memory card problems (fax/memory-card models only) ..................................................................
323 Missing or wrong files ...................................................................................................... 323 Index page not printing .................................................................................................... 323 Proof sheet not printing .................................................................................................... 324 Proof sheet not scanning ................................................................................................. 324 Issues with photo printing ................................................................................................
325 8 Parts and diagrams Order parts, accessories, and supplies ............................................................................................ 328 ENWW vii