Solving image-quality problems ....................................................................................................... 475
Solve print-quality problems ............................................................................................ 475
Solve copy-quality problems ........................................................................... 475
Print-quality problems associated with media ................................................. 475
Print-quality problems associated with the environment ................................. 476
Print-quality problems associated with jams ................................................... 476
Image defect examples ................................................................................... 476
Light print (partial page) ................................................................................. 478
Light print (entire page) .................................................................................. 479
Specks ........................................................................................................... 480
Dropouts ......................................................................................................... 481
Lines ............................................................................................................... 483
Gray background ............................................................................................ 483
Toner smear ................................................................................................... 485
Loose toner .................................................................................................... 485
Repeating defects .......................................................................................... 487
Repeating image ............................................................................................. 487
Misformed characters ..................................................................................... 488
Page skew ....................................................................................................... 489
Curl or wave ................................................................................................... 490
Wrinkles or creases ........................................................................................ 490
White lines ...................................................................................................... 491
Tire tracks ...................................................................................................... 491
White spots on black ...................................................................................... 492
Scattered lines ............................................................................................... 492
Blurred print .................................................................................................... 493
Random image repetition ............................................................................... 493
Solve copy-quality problems ............................................................................................ 494
ADF image-quality problems ........................................................................... 494
Blank page (ADF) ........................................................................... 494
Page skew (ADF) ........................................................................... 495
Horizontal lines (ADF) .................................................................... 495
Image shifted (ADF) ....................................................................... 495
Unexpected Image (ADF) ............................................................... 496
Flatbed glass image-quality problems ............................................................. 496
Poor uniformity (flatbed) ................................................................. 496
Poor uniformity gradual (flatbed) .................................................... 496
Lamp inverter failure (flatbed) ......................................................... 496
Streaks on page (flatbed) ............................................................... 497
Unexpected results (flatbed) ........................................................... 497
Solve copy problems ....................................................................................................... 497
Media-handling problems ................................................................................ 497
Performance problems .................................................................................... 499
Troubleshooting communication interfaces ...................................................................................... 500
Check communications .................................................................................................... 500
Troubleshooting the EIO ................................................................................. 500
Jetdirect page ................................................................................. 500
Boot key sequences ......................................................................................................................... 502
Low-level boot key sequences ......................................................................................... 503
Mid-level boot key sequences ......................................................................................... 504
x ENWW