AREA 2 and 3: Jams in the fuser and transfer area
.......................
524
AREA 4: Jams in the duplex area
...................................................
531
AREA 5: Jams in Tray 2 and the internal paper path
.....................
535
AREA 6:Jams in Tray 1
..................................................................
539
AREA 7: Jams in optional Trays 3, 4, and 5
...................................
543
AREA 8: Jams in the optional finishing devices
.............................
547
AREA 9: Jams in the ADF
..............................................................
552
Clear staple jams
............................................................................
553
Jam recovery
...................................................................................................
557
Product feeds multiple sheets
..........................................................................................
558
Product pulls from incorrect tray
......................................................................................
558
Product feeds incorrect page size
...................................................................................
558
Paper does not feed automatically
..................................................................................
559
Paper does not feed from Tray 2, 3, 4, or 5
.....................................................................
559
Transparencies or glossy paper will not feed
..................................................................
560
Envelopes jam or will not feed in the product
..................................................................
561
Output is curled or wrinkled
.............................................................................................
561
Product will not duplex or duplexes incorrectly
................................................................
562
Solve image quality problems
..........................................................................................................
563
Example print quality problems
........................................................................................
563
Repetitive defects ruler
....................................................................................................
563
Overhead transparency defects
.......................................................................................
565
Print quality problems associated with the environment
..................................................
565
Print quality problems associated with jams
....................................................................
565
Optimize and improve image quality
................................................................................
565
Use supported paper
.......................................................................................
566
Calibrate the product
.......................................................................................
566
Specify the correct paper type
........................................................................
566
Clean the fuser
................................................................................................
567
Respond to control-panel error messages
......................................................
568
Clean the registration second transfer assembly
...........................
568
Use manual print modes
.................................................................................
570
Print-quality-troubleshooting pages
.................................................................
571
Image-quality issues
........................................................................................................
574
Interface troubleshooting
..................................................................................................................
579
Communication checks
....................................................................................................
579
EIO troubleshooting
.........................................................................................................
579
Engine diagnostics
...........................................................................................................................
580
LED diagnostics
...............................................................................................................
580
Understand lights on the formatter
..................................................................
580
HP Jetdirect LEDs
..........................................................................
580
Heartbeat LED
................................................................................
581
Understand lights on the SCB
.........................................................................
581
Understand lights on the copy-process board (CPB)
......................................
583
ENWW
xiii