HP LaserJet M9040/M9050 Service Manual - Page 579

ADF scanner assembly 430 cartridge lifter assembly 464 common hardware 409 delivery assembly 474 drum feed drive assembly 460 flatbed optical assembly 426 flatbed scanner assembly 420 fuser delivery drive assembly 462 left door and diverter 448 paper-input unit 468 print engine covers and panels 418 print engine internal components 452 registration assembly 470 right cover assembly 450 scanner assembly 412 scanner engine covers and panels 414 scanner engine PCAs 446 supplies 406 transfer roller assembly 472 Tray 1 assembly 486 Tray 4 drive assembly 482 Tray 4 main body 478 Tray 4 PCA 484 PCA assembly, illustrations and parts list 476 PCAs Tray 4, illustrations and parts list 484 PCAs (printed circuit assemblies) ADF intermediate PCA, remove 219 DC controller, operations 129 flatbed intermediate PCA, remove 221 intermediate PCA, remove 224 paper-size detection switch PCA, remove and reinstall 284 scanner engine, illustrations and parts list 446 Tray 1 driver 146 Tray 4 driver 148 PCL drivers default settings 40 PDF error pages 40 personality default settings 40 physical specifications 544 PIN for Service menu 326 ping test 31, 395 power specifications 545 power supply assembly in flatbed, remove and reinstall 199 high-voltage, circuits 131 high-voltage, description 130 high-voltage, remove 261 low-voltage, description 132 low-voltage, remove 259 low-voltage, scanner 111 protection 112 ratings, scanner 109 scanner 106 Tray 1 146 Tray 4 148 Tray 4, remove 285 troubleshooting 296 print cartridge authentication 91 checking toner levels 92 components 137 design 138 features 4 fraud hotline 91 genuine HP 91 life expectancy 92 lifter assembly, illustrations and parts list 464 management menu 25 managing 91 memory 138 non-HP 91 ordering through embedded Web server 68 part numbers 406 release lever, remove 241 remove and reinstall 242 storing 91, 92 toner level detection 139 toner seal 138 print cartridges warranty 539 print engine internal components, illustrations and parts list 452 print jobs default settings 22 embedded Web server 67 priority settings 39 select output location 62 troubleshooting 292 print media. See paper print quality. See image quality Print Quality menu, control panel 42 PRINT state 102 print/stop test 374 problem-solving. See troubleshooting product status buttons, control panel 13 embedded Web server 67 Home screen, control panel 13 HP Easy Printer Care 70 LEDs 12 protection for power supplies 112 protocol configuration page, printing 33 proxy server settings 28 Q quality settings 42 See also image quality R Ready light locating 12 real-time clock 82 reduce copy setting 18 registration assembly, illustrations and parts list 470 registration, tray alignment 42 remove and replace parts ADF covers 157, 159, 161, 162, 169 ADF delivery motor 197 ADF fan assembly 202 ADF feed roller assembly 205 ADF feeder cover detection switch 193 ADF feeder cover handle 159 ADF intermediate PCA 219 ADF lower delivery roller 212 ENWW Index 561