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

ADF front cover ................................................................................................................ 161 Lower delivery roller cover ............................................................................................... 161 Reinstall the delivery roller cover .................................................................... 162 White board cover ............................................................................................................ 162 Copy processor/connect board ........................................................................................

163 Reinstall the copy processor/connect board ................................................... 164 Flatbed rail cover ............................................................................................................. 164 Flatbed back cover .......................................................................................................... 164 Flatbed right cover ........................................................................................................... 166 Reinstall the flatbed right cover .......................................................................

166 Flatbed left cover ............................................................................................................. 167 Flatbed upper front cover ................................................................................................. 168 Flatbed lower front cover ................................................................................................. 168 ADF base cover assembly ............................................................................................... 169 Reinstall the ADF base cover assembly .........................................................

173 Scanner glass .................................................................................................................. 174 Reinstall the scanner glass ............................................................................. 175 Scan engine internal assemblies ...................................................................................................... 176 ADF and flatbed internal assemblies ............................................................................... 176 ADF main assembly ........................................................................................ 176 Reinstall the ADF main assembly ...................................................

181 ADF optical assembly ..................................................................................... 181 Reinstall the ADF optical assembly ................................................ 188 ADF shading filter ............................................................................................ 188 Flatbed optical unit .......................................................................................... 190 Reinstall the flatbed optical unit ...................................................... 193 Switch and solenoids .......................................................................................................

193 ADF feeder cover detection switch ................................................................. 193 Weight solenoid ............................................................................................... 194 Shutter solenoid .............................................................................................. 195 Motors and fans ............................................................................................................... 196 Pickup motor ................................................................................................... 196 Reinstall the pickup motor ..............................................................

196 Delivery motor ................................................................................................. 197 Reinstall .......................................................................................... 197 Flatbed motor .................................................................................................. 198 Reinstall the flatbed motor .............................................................. 199 Power supply assembly .................................................................................. 199 Reinstall power supply assembly ...................................................

202 ADF fan assembly ........................................................................................... 202 Reinstall the ADF fan assembly ..................................................... 203 Flatbed fan assembly ...................................................................................... 203 Rollers and belts .............................................................................................................. 204 Pickup roller (D roller) ..................................................................................... 204 viii ENWW