HP — Руководство по ремонту HP LaserJet Enterprise M855 (EN)

Remove the right rear cover ............................................................................ 146 Front inner cover .............................................................................................................. 147 Remove the front inner cover .......................................................................... 147 Reinstall the front inner cover ......................................................................... 148 Main assemblies ...............................................................................................................................

149 Location of major components ......................................................................................... 152 Document feeder assembly (M880) ................................................................................. 154 Remove the document feeder assembly (M880) ............................................ 154 Reinstall the document feeder assembly (M880) ............................................ 159 Scanner control board (SCB) (M880) .............................................................................. 160 Remove the SCB (M880) ................................................................................

160 Scanner assembly (M880) ............................................................................................... 162 Remove the scanner assembly (M880) .......................................................... 162 Reinstall the scanner assembly (M880) .......................................................... 166 Interlock switch assembly ................................................................................................ 167 Remove the interlock switch assembly ........................................................... 167 Front-door open detection switch ....................................................................................

169 Remove the front-door open detection switch ................................................. 169 Reinstall the front-door-open detection switch ................................................ 171 Main switch assembly ...................................................................................................... 173 Remove the main switch assembly ................................................................. 173 Secondary transfer assembly .......................................................................................... 175 Remove the secondary transfer assembly ......................................................

175 Reinstall the secondary transfer assembly ..................................................... 181 Multipurpose tray (Tray 1) drive assembly ....................................................................... 183 Remove the multipurpose tray (Tray 1) drive assembly .................................. 183 Multipurpose tray (Tray 1) guide assembly ...................................................................... 190 Remove the multipurpose tray guide assembly .............................................. 190 Tray 2 pickup unit ............................................................................................................

191 Fuser home position sensor ............................................................................................ 192 Remove the Tray 2 pickup assembly .............................................................. 191 Remove the fuser home position sensor ......................................................... 192 Reinstall the fuser home position sensor ........................................................ 193 Shutter gear holder assembly .......................................................................................... 194 Remove the shutter gear holder assembly .....................................................

194 Reinstall the shutter gear holder assembly ..................................................... 196 Fuser-edge area cooling fan FM10 (front) ....................................................................... 200 Remove the fuser-edge area cooling fan FM10 (front) ................................... 200 Reinstall the fuser-edge area cooling fan FM10 (front) ................................... 202 Fuser-edge area cooling fan FM9 (rear) .......................................................................... 204 Remove the fuser-edge area cooling fan FM9 (rear) ...................................... 204 viii ENWW