Engine-test button ............................................................................................................ 583
Troubleshooting menu ..................................................................................................... 584
Diagnostics mode ............................................................................................................ 585
Diagnostics that put the engine into the special diagnostics mode ................................. 585
Diagnostic tests ............................................................................................................... 586
Disable cartridge check ................................................................................................... 587
Paper-path sensors test ................................................................................................... 587
Paper-path test ................................................................................................................ 589
Manual sensor test (special-mode test) ........................................................................... 590
Component tests .............................................................................................................. 592
Component test (special-mode test) ............................................................... 592
Transfer-motors test ........................................................................................ 592
Belt-only test ................................................................................................... 592
Image-drum motors test .................................................................................. 592
CMYK-laser test .............................................................................................. 593
Fuser-motor test .............................................................................................. 593
Fuser pressure-release motor test .................................................................. 593
Color-alienation motor test .............................................................................. 593
ITB-contact/alienation test ............................................................................... 593
Paper-transport motor test .............................................................................. 594
Tray-1 pickup-solenoid test ............................................................................. 594
Tray-2 pickup-motor test ................................................................................. 594
Duplexer reverse-motor test ............................................................................ 594
Duplexer refeed-motor test ............................................................................. 594
Print/stop test ................................................................................................................... 596
Color-band test ................................................................................................................ 597
Scanner tests ................................................................................................................... 597
Service-mode functions .................................................................................................................... 598
Service menu ................................................................................................................... 598
Product resets .................................................................................................................. 600
NVRAM initialization ........................................................................................ 600
Solve scanner problems ................................................................................................................... 601
Solve fax problems ........................................................................................................................... 602
Solve e-mail problems ...................................................................................................................... 603
Validate the SMTP gateway address ............................................................................... 603
Validate the LDAP gateway address ............................................................................... 603
Diagrams .......................................................................................................................................... 604
Connectors ...................................................................................................................... 604
DC controller PCA ........................................................................................... 604
PCAs ............................................................................................................... 604
Product base ................................................................................................... 607
1 x 500 input tray ............................................................................................. 610
3 x 500 input tray ............................................................................................. 610
IPTU ................................................................................................................ 611
xiv ENWW
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