HP Series 7 Guia do Utilizador Página 12

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Printer preventive maintenance ......................................................................................179
The ADF maintenance kit................................................................................................179
10 Solving problems
Solving general problems .....................................................................................................182
Troubleshooting checklist ...............................................................................................182
Determining MFP problems ..................................................................................................184
Clearing jams.........................................................................................................................185
Clearing jams from the top-cover and print-cartridge areas............................................186
Clearing jams from the optional envelope-feeder area...................................................188
Clearing jams from the tray 1 area..................................................................................189
Clearing jams from the tray 2, 3, 4, or 5 areas................................................................191
Clearing jams from the optional duplexer........................................................................192
Clearing jams from the output areas...............................................................................193
Clearing jams from the fuser...........................................................................................195
Clearing jams from the ADF............................................................................................198
Clearing staple jams........................................................................................................199
Solving repeated jams ....................................................................................................201
Using the paper-path test................................................................................................201
Understanding MFP messages .............................................................................................203
Using the MFP help system ............................................................................................203
If a message persists ......................................................................................................203
Resolving control-panel messages........................................................................................204
Understanding accessory lights for the 3-bin mailbox and stapler/stacker ..........................216
Accessory lights ..............................................................................................................216
Replacing accessories or accessory components .........................................................217
Understanding lights on the formatter....................................................................................218
HP Jetdirect LEDs...........................................................................................................218
Heartbeat LED.................................................................................................................218
Fax LED...........................................................................................................................219
Correcting print-quality and copy-quality problems ..............................................................220
Print-quality checklist ......................................................................................................220
Image defect examples ..................................................................................................220
Light print (partial page) ..................................................................................................222
Light print (entire page) ..................................................................................................223
Specks ............................................................................................................................223
Dropouts .........................................................................................................................223
Lines ...............................................................................................................................224
Gray background ............................................................................................................224
Toner smear ...................................................................................................................225
Loose toner .....................................................................................................................225
Repeating defects ...........................................................................................................226
Repeating image ............................................................................................................226
Misformed characters .....................................................................................................227
Page skew ......................................................................................................................227
Curl or wave ....................................................................................................................227
Wrinkles or creases ........................................................................................................228
Vertical white lines ..........................................................................................................228
Tire tracks .......................................................................................................................229
White spots on black ......................................................................................................229
Scattered lines ................................................................................................................229
Blurred print ....................................................................................................................230
Random image repetition ...............................................................................................230
Blank page (ADF)............................................................................................................231
Horizontal lines (ADF).....................................................................................................231
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