HP — HP Laserjet M9040, M9050 mfp (service manual (EN)

Reinstall the fuser-jam-removal knob .............................................................. 246 Registration-jam-removal knob ........................................................................................ 246 Reinstall the registration-jam-removal knob .................................................... 247 Right assemblies .............................................................................................................................. 248 Tray 1 ...............................................................................................................................

248 Paper-input unit (PIU) ...................................................................................................... 249 Reinstall the paper-input unit .......................................................................... 252 Registration assembly ..................................................................................................... 252 Reinstall the registration assembly ................................................................. 253 Transfer-guide assembly .................................................................................................

253 Reinstall the transfer-guide assembly ............................................................. 254 Left assemblies ................................................................................................................................ 255 Duplexer .......................................................................................................................... 255 Fuser assembly ............................................................................................................... 256 Back assemblies ..............................................................................................................................

258 Formatter ......................................................................................................................... 258 Low-voltage power supply ............................................................................................... 259 High-voltage power supply .............................................................................................. 261 DC controller .................................................................................................................... 262 Toner-sensor contact assembly .......................................................................................

264 Reinstall the toner-sensor contact assembly .................................................. 265 Drum motor ...................................................................................................................... 265 Feed-drive assembly ....................................................................................................... 266 Reinstall the feed-drive assembly ................................................................... 267 Power-supply fan (fan 1) ..................................................................................................

267 Cartridge fan (fan 5) ......................................................................................................... 268 Reinstall the cartridge fan ............................................................................... 270 Controller fan (fan 2) ........................................................................................................ 270 Jetlink connector .............................................................................................................. 271 Duplexer connector holder assembly ..............................................................................

272 Fuser delivery-drive assembly ......................................................................................... 273 Reinstall the fuser delivery assembly .............................................................. 275 Tray 4 ............................................................................................................................................... 276 Orientation ....................................................................................................................... 276 Tray 4 left side cover .......................................................................................................

276 Reinstall the Tray 4 left side cover .................................................................. 276 Tray 4 right side cover .................................................................................................... 277 Reinstall the Tray 4 right side cover ................................................................ 277 Tray 4 back covers .......................................................................................................... 278 Tray 4 center back cover ................................................................................. 278 Tray 4 right back cover ....................................................................................

278 Tray 4 left back cover ...................................................................................... 278 Tray 4 .............................................................................................................. 279 Tray 4 rollers (pickup, feed, and separation) ................................................................... 279 x ENWW