Image defects ........................................................................................................................390 Light image ....................................................................................................................391 Light color .......................................................................................................................392 Dark image ...................................................................................................................392 Dark color .......................................................................................................................393 Completely blank image .................................................................................................393 All black or solid color ....................................................................................................393 Dots in vertical lines .......................................................................................................394 Dirt on back of paper ......................................................................................................394 Dirt on front of paper .......................................................................................................394 Vertical lines ..................................................................................................................395 White vertical lines ..........................................................................................................395 Horizontal line .................................................................................................................396 White horizontal line .......................................................................................................396 Color missing ..................................................................................................................397 Blank spots .....................................................................................................................397 Poor fusing ....................................................................................................................397 Image distortion ..............................................................................................................398 Color misregistration .......................................................................................................398 Smearing ........................................................................................................................399 Misplaced image .............................................................................................................399 Reversed color ................................................................................................................400 Snail tracks .....................................................................................................................400 Repetitive defects troubleshooting ........................................................................................401 Interface troubleshooting ......................................................................................................403 Communications checks .................................................................................................403 EIO troubleshooting ........................................................................................................403 AUTOEXEC.BAT standard configurations .....................................................................404 Printer Job Language (PJL) commands .........................................................................404 @PJL COMMENT ..........................................................................................................405 @PJL INFO CONFIG .....................................................................................................405 @PJL INFO ID ................................................................................................................405 @PJL INFO USTATUS ..................................................................................................405 @PJL INFO PAGECOUNT ............................................................................................405 @PJL JOB ......................................................................................................................406 @PJL EOJ ......................................................................................................................406 @PJL ECHO ...................................................................................................................406 @PJL USTATUS JOB=ON/OFF ....................................................................................406 @PJL USTATUSOFF .....................................................................................................406 Control panel troubleshooting ...............................................................................................407 Printing a menu map ......................................................................................................407 Information menu ............................................................................................................407 Paper handling menu .....................................................................................................408 Configure device menu ...................................................................................................409 Print quality menu ...........................................................................................................411 System setup menu ........................................................................................................414 I/O menu .........................................................................................................................418 Resets menu ...................................................................................................................419 Diagnostics menu ...........................................................................................................419 Service menu ..................................................................................................................420 Tools for troubleshooting ......................................................................................................422 Embedded Web server (HP Color LaserJet 3700 series printer only) ...........................422 HP Toolbox .....................................................................................................................424 Printer configuration page ..............................................................................................428 Supplies status page ......................................................................................................429 Usage page (HP 3700 only) ...........................................................................................430 ENWW Conventions xi