Print image defects .......................................................................................................... 373 Print/stop test .................................................................................................. 374 Economode ..................................................................................................... 374 Skew ............................................................................................................... 375 Copy-image defects .........................................................................................................
375 Scanner controller PCA ................................................................................... 377 Connector locations ........................................................................................ 379 Electrical structure ........................................................................................... 380 Wiring diagrams .............................................................................................. 381 Image-defect tables .........................................................................................................
383 Repeating defect ruler ..................................................................................................... 391 Media troubleshooting ...................................................................................................................... 392 Determine the problem source ........................................................................................ 392 Isolate the paper path ...................................................................................................... 392 Try using the straightest paper path ................................................................
392 Check the duplexing path ................................................................................ 392 Isolate the source of a jam .............................................................................. 392 Determine the location of a jam ...................................................................... 392 Determine whether the product is experiencing misfeeds or multifeed jams ................................................................................................................. 392 Isolate a media brand ......................................................................................................
393 Isolate a media type ......................................................................................................... 393 Communication troubleshooting ....................................................................................................... 394 Communications check .................................................................................................... 394 EIO troubleshooting ........................................................................................ 394 Jetdirect configuration .....................................................................................
394 Embedded LAN troubleshooting ..................................................................... 394 Error codes ..................................................................................... 395 LAN diagnostics .............................................................................. 395 Wiring diagrams ............................................................................................................................... 399 8 Parts and diagrams Order parts, accessories, and supplies ............................................................................................
405 Supplies part numbers ..................................................................................................................... 406 Consumables, supplies, accessories, FRUs, and documents ......................................... 406 Common hardware .......................................................................................................... 409 Illustrations and parts lists ................................................................................................................ 410 Scanner assembly ............................................................................................................................
412 Scanner engine covers and panels .................................................................................................. 414 Print engine covers and panels ........................................................................................................ 418 Flatbed scanner assembly ............................................................................................................... 420 Flatbed optical assembly ..................................................................................................................
426 ADF scanner assembly .................................................................................................................... 430 ADF paper pickup assembly ............................................................................................................ 434 ENWW xiii