HP Color LaserJet Enterprise CM4540 Service Manual - Page 868

misregistration control 38 page count, reset 625 primary transfer roller state 35 troubleshooting 461, 617 components 3-bin stapling mailbox 77 cover, locations 437 DC controller 6 diagnostic tests 422 diagrams of 426 duplexing unit 55 engine-control system 5 fuser 16 image formation, use during 24 intermediate transfer belt (ITB) 34 major, locations 438 motor, fan, and roller locations 442 paper feeder 63 paper feeder (1 x 500-sheet) 447 paper feeder (3 x 500-sheet) 449 PCA locations 443 pickup, feed, and delivery 40 print cartridge 31 protection for 15, 17 stapler/stacker, locations 444 configuration page 374 configuration pages information 466 printing 462 connectivity solving problems 624 connectors controller PCA (optional paper feeder) 434 DC controller PCA 432 IPTU PCA 436 Stapler/stacker PCA 435 control panel Administration menu 469 cleaning page, printing 620 messages, numerical list 470 messages, types of 470 removing 100 troubleshooting tests 422 controller (500-sheet paper feeder) PCA (500-sheet paper feeder), removing 332 controller (optional paper feeder) PCA (optional paper feeder), removing 319 PCA, connectors 434 conventions, document iii cooling areas and fans 10 copying quality, troubleshooting 614 counts color cycle 625 copy pages 626 copy scan 626 document feeder 626 document feeder duplex 626 document feeder simplex 626 flatbed cycle 626 mono cycle 625 page, reset 625 print engine maintenance 466 refurbish cycle 625 reset after replacing formatter 625 send scan 626 See also pages counts covers document feeder front cover, removing 129 document feeder rear cover, removing 131 document feeder tray extender, removing 124 fan cover, removing 134 front cover (500-sheet paper feeder), removing 324 front door (optional paper feeder), removing 303 front-door assembly, removing 140 identification and location 127, 437 jam-access cover, removing 153 left cover (500-sheet paper feeder), removing 322 left cover (optional paper feeder), removing 309 left, removing 137 locations 437 Lower-left cover, removing 136 output bin bezel, removing 124 rear cover (500-sheet paper feeder), removing 321 rear cover (optional paper feeder), removing 305 rear, removing 144 rear-right cover (optional paper feeder), removing 312 right cover (500-sheet paper feeder), removing 323 right cover (optional paper feeder), removing 311 right door (optional paper feeder), removing 307 right-door assembly, removing 145 right-front cover (500-sheet paper feeder), removing 321 right-front cover (optional paper feeder), removing 306 right-front, removing 138 right-rear, removing 143 S-CVR-REAR (scanner rear cover), removing 128 scanner left cover, removing 133 standard output bin, removing 123 creases, troubleshooting 619 crooked pages troubleshooting 618 current-detection protection circuit 18 customer self repair, part numbers 659 customer support online 792 D dark image, troubleshooting 614 date codes for firmware 466 manufacture 464 product first used 627 DC controller clutches 7 816 Index ENWW