Part curling........................................................................................................142 Part fell over ......................................................................................................143 Part shifting .......................................................................................................144 Rough surface quality .........................................................................................146 Rough quality all over .........................................................................................147 Model strands on parts .......................................................................................148 Witness marks ...................................................................................................149 Wavy surface ....................................................................................................150 Wavy parts .......................................................................................................151 Under fill...........................................................................................................152 Material sagging on curved parts.........................................................................153 Fused layers ......................................................................................................154 Z layers inconsistent ...........................................................................................155 Removal and Installation ..............................................................................157 Maintenance Preparation.............................................................................................159 Tools needed for repair not order-able as a service part..........................................160 Tools needed for repair that are order-able as a service part ...................................160 Exterior Components ...................................................................................................161 Pre-Maintenance Procedures................................................................................160 Top Panel..........................................................................................................161 Removing the top panel .................................................................................161 Installing the top panel...................................................................................162 Side Panels........................................................................................................162 Removing the side panels...............................................................................162 Removing the right side panel:........................................................................164 Installing the side panels ................................................................................164 Display Panel.....................................................................................................165 Removing the display panel............................................................................165 Installing the display panel .............................................................................166 Front Panel ........................................................................................................166 Removing the front panel................................................................................166 Installing the front panel .................................................................................168 Door Solenoid ...................................................................................................168 Removing the door solenoid ...........................................................................168 Installing the door solenoid.............................................................................169 Door Sensor ......................................................................................................169 Removing the door sensor ..............................................................................169 Electronics Bay Components.........................................................................................171 Installing the door sensor................................................................................170