HP Color LaserJet Enterprise CM4540 Service Manual - Page 872

operation sequence 4 optical assembly document feeder/scanner 73 optical unit removing 191 ordering part numbers for 657 supplies and accessories 656 output area jams 585 output bin jams 589 output bin 3 lift operation 3-bin stapling mailbox 87 overcurrent or overvoltage protection 15 P pages blank 623 not printing 623 printing slowly 623 skewed 618 pages count from product copy 626 from product copy scan count 626 from product document feeder 626 from product flatbed 626 from product refurbish date 625 from product send scan 626 reset 625 since last maintenance 466 See also counts paper cassette-presence detection 45, 66 default size reset 628 jam detection 68 level detection 46 movement sensors 58 presence detection 46 size detection 66 stop in path for testing 414 wrinkled 619 paper detection 50 paper feeder cassette lift operation 67 component locations 447, 449 controller PCA 434 controller PCA, removing 319, 332 diagrams of 1 x 500-sheet 427 diagrams of 3 x 500-sheet 428 electrical components 63 feed operations 48 feed speed control 51 front cover, removing 324 front door, removing 303 jam detection 68 left cover, removing 309, 322 lifter assembly, removing 316, 328 lifter-drive assembly, removing 317, 330 motor control 63 multifeed prevention 47 optional 1 x 500-sheet 61 optional 3 x 500-sheet 61 paper detection 50 pickup and feed operation 64 pickup assembly, removing 313, 325 pickup motor assembly, removing 318, 331 rear cover, removing 305, 321 rear-right cover, removing 312 right cover, removing 311, 323 right door, removing 307 right-front cover, removing 306, 321 skew feed prevention 50 See also pickup, feed, and delivery paper jams. See jams paper path diagnostic test 378 diagnostic test, manual 393 stop movement for testing 414 paper path and sensors document feeder/scanner 74 paper present flag removing and replacing 150 paper-path test, sensors 413 parameters, EP, troubleshooting 461 part numbers cables 658 fuser 663 print cartridges 657 registration unit 663 screws 664 service kits 661 staple cartridge 657 toner collection unit 657 parts 655 parts lists and diagrams 1x500 and 3x500 paper feeders 722 cassettes 2-5 686 covers and doors (optional stapler stacker multi-bin mailbox) 705 covers, panels, and doors 666 delivery assembly 698 document feeder/scanner 730 front door assembly 670 fuser assembly 700 intermediate paper transfer unit (IPTU) 696 internal components 672, 674, 676, 678, 684 paper pickup assembly 688 PCAs 702 registration assembly 692 right door assembly 668 scanner assembly 734 secondary transfer assembly 694 stapling mailbox 704 Tray 1 paper pickup assembly 690 using 665 password Service menu PIN 625 PBX systems troubleshooting 642 PCA, locations 443 periods of the operation sequence 4 phone lines troubleshooting 642 physical specifications 793 820 Index ENWW