Resin Shrinkage "Tree" Parts............................................................................................................... 103
7 MAINTENANCE ............................................................................... 107
Clean Fan Filter.................................................................................................................................... 108
Clean Laser Window ............................................................................................................................ 112
Clean Recoater Blade .......................................................................................................................... 113
Clean Level Sensor Baffle.................................................................................................................... 117
Check Vacuum Level............................................................................................................................ 118
Screw Jack Support Shim .................................................................................................................... 128
Stacklight Elements and Horn.............................................................................................................. 129
UPS System......................................................................................................................................... 130
LED Light Fixture ................................................................................................................................. 131
8 TROUBLESHOOTING ..................................................................... 132
vi