HP — HP LaserJet Enterprise M855 HP LaserJet Enterprise Flow MFP M880 Repair Manual

Remove the environmental sensor ................................................................. 247 Interconnect PCA (M855) ................................................................................................ 248 Remove the interconnect PCA (M855) ........................................................... 248 Reinstall the interconnect PCA (M855) ........................................................... 251 Interconnect PCA (M880) ................................................................................................ 252 Remove the interconnect PCA (M880) ...........................................................

252 Reinstall the interconnect PCA (M880) ........................................................... 254 Formatter case ................................................................................................................. 255 Remove the formatter case ............................................................................. 255 Formatter, formatter case, and interconnect board (ICB) ................................................ 257 Reinstall the formatter case ............................................................................ 256 Remove the formatter, formatter case, and ICB .............................................

257 Reinstall the formatter, formatter case, and ICB ............................................. 259 High-voltage power supply (HVPS) B .............................................................................. 260 Remove the HVPS B ....................................................................................... 260 Reinstall the HVPS B ...................................................................................... 261 DC controller PCA ........................................................................................................... 263 Remove the DC controller PCA ......................................................................

263 Color-plane registration (CPR) sensor assembly ............................................................ 264 Remove the CPR sensor assembly ................................................................ 264 Reinstall the CPR sensor assembly ................................................................ 267 Low-voltage power supply (LVPS) ................................................................................... 269 Remove the LVPS ........................................................................................... 269 High-voltage power supply (HVPS) A (first transfer) .......................................................

272 Remove the HVPS A (first transfer) ................................................................ 272 Reinstall the HVPS A (first transfer) ................................................................ 274 Lifter-drive assembly ........................................................................................................ 276 Remove the lifter-drive assembly .................................................................... 276 Reinstall the lifter-drive assembly ................................................................... 278 Toner-cartridge drive assembly (yellow and magenta) ....................................................

280 Remove the toner-cartridge drive assembly (yellow and magenta) ................ 280 Reinstall the toner-cartridge drive assembly (yellow and magenta) ................ 281 Toner-cartridge drive assembly (cyan and black) ............................................................ 282 Remove the toner-cartridge drive assembly (cyan and black) ........................ 282 Cartridge interface PCA (cyan and black) ....................................................................... 284 Reinstall the toner-cartridge drive assembly (cyan and black) ........................ 283 Remove the cartridge interface PCA (cyan and black) ...................................

285 Cartridge interface PCA (yellow and magenta) ............................................................... 286 Remove the cartridge interface PCA (yellow and magenta) ........................... 287 Main drive assembly ........................................................................................................ 288 Remove the main drive assembly ................................................................... 289 x ENWW