Sensors (HCI) ................................................................................................. 552 Wiring diagrams (HCI) ..................................................................................... 553 Repetitive defect ruler ...................................................................................................... 554 Interlocks and linkages .................................................................................................... 555 Print cartridge and MFP contacts ....................................................................................
563 Known issues ................................................................................................................................... 565 Control-panel ESD disruption .......................................................................................... 565 Clearing a jam from the right (print cartridge) side ......................................................... 565 Loading Tray 2/3/4/5 with letter or A4 media ................................................................... 566 The stapler/stacker only staples letter and A4 media ......................................................
566 Formatter cage does not properly seat ............................................................................ 566 RFU with a SCB firmware upgrade .................................................................................. 566 RFU with a DC controller firmware update ...................................................................... 566 EIO device does not properly seat ................................................................................... 566 Print cartridge cannot be removed ...................................................................................
566 False left door open error message ................................................................................. 567 Dark or flickering control-panel display ............................................................................ 567 Fuser edge overheat slowdown ....................................................................................... 567 7 Parts and diagrams Parts ................................................................................................................................................. 571 How to use the parts lists and diagrams ..........................................................................................
572 Types of screws ............................................................................................................................... 572 Related documentation and software ............................................................................................... 573 Accessories, supplies, and whole unit components ......................................................................... 573 Automatic document feeder (whole unit) .......................................................................................... 582 Front end cover (ADF) ......................................................................................................................
584 Hinges (ADF) .................................................................................................................................... 586 Base assembly (ADF) ...................................................................................................................... 588 Backbone assembly (ADF) ............................................................................................................... 590 Jam Cover (ADF) .............................................................................................................................
594 Pickup roller assembly (ADF) ........................................................................................................... 596 Separation pad assembly (ADF) ...................................................................................................... 598 Separation floor assembly (ADF) ..................................................................................................... 600 Scanner assembly base ................................................................................................................... 602 Carriage assembly (scanner; optical assembly) ...............................................................................
604 Scanner top assembly ...................................................................................................................... 606 Scanner controller board (SCB) assembly ....................................................................................... 608 Scanner lid sensor assembly ........................................................................................................... 610 Scanner transmission drive assembly .............................................................................................. 612 Stapler/stacker assembly main body ................................................................................................
614 Paper feed assembly (stapler/stacker) ............................................................................................. 618 Alignment and jogger assembly (stapler/stacker) ............................................................................ 620 Stapler assembly (stapler/stacker) ................................................................................................... 624 Stapler/stacker PCA ......................................................................................................................... 626 Print engine external covers and panels ..........................................................................................
628 Cartridge door assembly (print engine) ............................................................................................ 632 Internal components (print engine 1 of 3) ......................................................................................... 636 Internal components (print engine; 2 of 3) ........................................................................................ 640 Internal components (print engine; 3 of 3) ........................................................................................ 644 xii ENWW