Timing diagram
...............................................................................................
203
Circuit diagram
................................................................................................
204
Print-quality troubleshooting tools
....................................................................................
205
Repetitive image defects
.................................................................................
205
Calibrate the product
.......................................................................................
205
Internal print quality test pages
........................................................................................
206
Cleaning page
.................................................................................................
206
Service page
...................................................................................................
206
Diagnostics pages
...........................................................................................
206
HP ToolboxFX software
...................................................................................................
208
Control-panel messages
..................................................................................................................
209
Event-log messages
.........................................................................................................................
217
Paper-handling problems
.................................................................................................................
219
Jams
................................................................................................................................
219
Recover jams
..................................................................................................
219
Common causes of jams
.................................................................................
220
Clear jams
.......................................................................................................
221
Where to look for jams
....................................................................
221
Clear jams from the input-tray areas
..............................................
221
Clear jams from the output-bin
.......................................................
222
Clear jams from the ADF (fax/memory-card models only)
.............
223
Solve image quality problems
..........................................................................................................
227
General image quality problems
......................................................................................
227
Solve issues with color documents
..................................................................................
231
Copy problems
.................................................................................................................
232
Prevent copy problems
...................................................................................
232
Image problems
..............................................................................................
232
Media-handling problems
................................................................................
234
Performance problems
....................................................................................
235
Scan problems
.................................................................................................................
236
Solve scanned-image problems
......................................................................
236
Scan-quality problems
.....................................................................................
238
Prevent scan-quality problems
.......................................................
238
Solve scan-quality problems
...........................................................
238
Solve performance problems
...........................................................................................................
240
Solve connectivity problems
.............................................................................................................
241
Solve direct-connection problems
....................................................................................
241
Solve network problems (network models only)
..............................................................
241
Service mode functions
....................................................................................................................
243
Service menu
...................................................................................................................
243
Service menu settings
.....................................................................................
243
Secondary service menu
.................................................................................................
243
Open the secondary service menu
.................................................................
243
Secondary service menu structure
..................................................................
244
ENWW
ix