Clean the product ............................................................................................................ 162
Firmware updates ............................................................................................................ 164
12 Problem solve
Problem-solving checklist ................................................................................................................. 166
Restore the factory-set defaults ....................................................................................................... 167
Control-panel messages .................................................................................................................. 168
Alert and warning messages .......................................................................................... 168
Critical error messages .................................................................................................... 172
Control-panel display problems ........................................................................................................ 174
Clear jams ........................................................................................................................................ 174
Causes of jams ................................................................................................................ 174
Where to look for jams ..................................................................................................... 175
Clear jams from the ADF ................................................................................................. 175
Clear jams from the input-tray areas ............................................................................... 178
Clear jams from the duplexer ........................................................................................... 181
Clear jams from the output-bin areas .............................................................................. 183
Clear jams from the print-cartridge area .......................................................................... 185
Clear jams from the convenience stapler (HP LaserJet M2727nfs mfp only) .................. 186
Avoid repeated jams ....................................................................................................... 187
Solve image-quality problems .......................................................................................................... 188
Print problems .................................................................................................................. 188
Copy problems ................................................................................................................. 195
Scan problems ................................................................................................................. 199
Fax problems ................................................................................................................... 201
Optimize and improve image quality ................................................................................ 202
Solve convenience stapler problems ................................................................................................ 204
Solve connectivity problems ............................................................................................................. 204
Solve direct-connection problems .................................................................................... 204
Network problems ............................................................................................................ 204
Solve software problems .................................................................................................................. 206
Solve common Windows problems ................................................................................. 206
Solve common Macintosh problems ................................................................................ 206
Solve PostScript (PS) errors ............................................................................................ 208
Appendix A Accessories and ordering information
Supplies ............................................................................................................................................ 212
Memory ............................................................................................................................................ 212
Cable and interface accessories ...................................................................................................... 212
Paper-handling accessories ............................................................................................................. 212
User-replaceable parts ..................................................................................................................... 213
Appendix B Service and support
Hewlett-Packard limited warranty statement .................................................................................... 215
Customer self repair warranty service .............................................................................................. 216
Print cartridge limited warranty statement ........................................................................................ 217
HP Customer Care ........................................................................................................................... 218
Online Services ................................................................................................................ 218
Telephone support ........................................................................................................... 218
ENWW vii
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