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Check DIMM installation .................................................................................................. 130
Save resources (permanent resources) ......................................................................... 130
Enable memory for Windows ........................................................................................... 131
Install internal USB devices ............................................................................................. 132
Install EIO cards .............................................................................................................. 135
Clean the product ............................................................................................................................. 137
Clean the exterior ............................................................................................................ 137
Clean the paper path ....................................................................................................... 137
Upgrade the firmware ....................................................................................................................... 138
Determine the current firmware version ........................................................................... 138
Download new firmware from the HP Web site ............................................................... 138
Transfer the new firmware to the product ........................................................................ 138
Use the flash executable file to update the firmware ...................................... 138
Use FTP to upload the firmware through a browser ....................................... 139
Use FTP to upgrade the firmware on a network connection ........................... 139
Use HP Web Jetadmin to upgrade the firmware ............................................. 140
Use Microsoft Windows commands to upgrade the firmware ......................... 140
Upgrade the HP Jetdirect firmware .................................................................................. 140
10 Solve problems
Solve general problems .................................................................................................................... 144
Troubleshooting checklist ................................................................................................ 144
Factors that affect product performance .......................................................................... 145
Restore factory settings .................................................................................................................... 146
Interpret control-panel messages ..................................................................................................... 147
Control-panel message types .......................................................................................... 147
Control-panel messages .................................................................................................. 147
Jams ................................................................................................................................................. 162
Common causes of jams ................................................................................................. 162
Clear jams ........................................................................................................................ 163
Clear jams from Tray 1 .................................................................................... 163
Clear jams from Tray 2 or an optional 500-sheet tray ..................................... 164
Clear jams from the top cover ......................................................................... 167
Clear jams from the rear door and the fuser area ........................................... 169
Clear jams from the duplexer .......................................................................... 172
Jam recovery ................................................................................................................... 176
Paper-handling problems ................................................................................................................. 177
Product feeds multiple sheets .......................................................................................... 177
Product feeds incorrect page size ................................................................................... 177
Product pulls from incorrect tray ...................................................................................... 178
Paper does not feed automatically .................................................................................. 178
Paper does not feed from Tray 2, 3, or 4 ......................................................................... 179
Transparencies or glossy paper will not feed .................................................................. 179
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