Jam detection
..................................................................................................................
216
Clear jams from the ADF
.................................................................................................
217
Clear jams from the print-cartridge area
..........................................................................
219
Clear jams from the input-tray areas
...............................................................................
220
Clear jams from the duplexer
...........................................................................................
222
Clear jams from the output-bin areas
..............................................................................
223
Interface troubleshooting
.................................................................................................................
225
Communications checks
..................................................................................................
225
LAN hardware test
...........................................................................................................
225
Service mode functions
....................................................................................................................
226
Boot-up key sequences
...................................................................................................
226
Low-level boot-up key sequence for selecting a language, performing a cold
reset, and enabling and disabling embedded LAN
.........................................
227
Medium-level boot-up key sequence for initializing disks
...............................
227
High-level boot-up key sequence for NVRAM initialization, manufacturing,
and skipping disk-load and calibration
............................................................
227
Service menu
...................................................................................................................
228
Service ID
........................................................................................................................
228
Restore the service ID
.....................................................................................
229
Convert the service ID to an actual date
.........................................................
229
Troubleshooting tools
.......................................................................................................................
230
Control-panel menus
.......................................................................................................
230
Print Quality menu
...........................................................................................
230
Troubleshooting menu
....................................................................................
231
Early-boot diagnostic test
................................................................................................
233
Test pages
.......................................................................................................................
234
Engine-test page
.............................................................................................
234
Formatter test page
.........................................................................................
235
Embedded Web server
...................................................................................................
235
Gaining access to the embedded Web server
................................................
235
Information tab
................................................................................
235
Settings tab
.....................................................................................
236
Networking tab
...............................................................................
236
Other links
......................................................................................
236
Image defect ruler
............................................................................................................
238
Firmware updates and recovery
.......................................................................................................
239
Determine the current level of firmware
...........................................................................
239
Download the new firmware from the HP Web site
.........................................................
239
Transfer the new firmware to the device
..........................................................................
240
Use FTP to upgrade the firmware on a network connection
...........................
240
Use HP Web Jetadmin to upgrade the firmware
.............................................
241
Use MS-DOS commands to upgrade the firmware
.........................................
242
Upgrade the HP Jetdirect firmware
..................................................................................
242
Troubleshoot general printing problems
...........................................................................................
243
Troubleshoot media-handling problems
...........................................................................................
246
Multiple pages feed
..........................................................................................................
246
Pages are wrinkled or folded
...........................................................................................
246
Pages are skewed
...........................................................................................................
247
Troubleshoot print-quality problems
................................................................................................
248
Print-quality checklist
.......................................................................................................
248
ENWW
vii