Accessory lights for the 3-bin mailbox and stapler/stacker.................................................................332
Accessory lights .................................................................................................................332
Formatter lights....................................................................................................................................333
Copy-board LED.................................................................................................................333
HP Jetdirect LEDs...............................................................................................................333
Heartbeat LED....................................................................................................................334
Fax LED..............................................................................................................................334
Jams....................................................................................................................................................335
Clearing jams from the top-cover and print-cartridge areas...............................................337
Clearing jams from the optional envelope-feeder area......................................................339
Clearing jams from the tray 1 area.....................................................................................341
Clearing jams from the tray 2, 3, 4, or 5 areas...................................................................343
Clearing jams from the optional duplexer...........................................................................345
Clearing jams from the output areas..................................................................................347
Clearing jams from the fuser...............................................................................................349
To clear jams from the fuser..............................................................................349
Clearing jams from the ADF...............................................................................................353
Clearing staple jams...........................................................................................................354
Solving repeated jams........................................................................................................356
Causes of persistent jams..................................................................................................357
Jams in the top-cover and print-cartridge area..................................................357
Jams in the envelope-feeder area and the tray 1 area......................................358
Jams in the tray 2 area and the optional 500-sheet feeder areas.....................358
Jams in the duplexing area................................................................................359
Jams in the output area......................................................................................359
Jams in the fuser................................................................................................361
Jams in the ADF.................................................................................................361
Using the paper-path test...................................................................................................362
Using the scanner tests......................................................................................................362
Image-formation troubleshooting.........................................................................................................363
Media-related print-quality problems..................................................................................363
Overhead transparency defects..........................................................................................364
Print-quality problems that are related to the environment................................................364
Print-quality problems that are related to jams...................................................................364
Image-defect examples......................................................................................................365
Light print (partial page) ....................................................................................367
Light print (entire page) .....................................................................................368
Specks or dots ..................................................................................................369
Dropouts ............................................................................................................370
Lines ..................................................................................................................372
Horizontal lines...................................................................................................373
Gray background ...............................................................................................374
Loose toner or toner smear ...............................................................................375
Repeating defects and repeating images .........................................................376
Misformed characters ........................................................................................377
Page skew..........................................................................................................378
Curl or wave ......................................................................................................379
Wrinkles or creases ...........................................................................................380
Vertical white lines ............................................................................................381
Horizontal white lines.........................................................................................382
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