User's Manual

Operating & Maintaining the Objet500 - Connex 3 3D Printer
6–30 DOC-07000 Rev. A
6. Placethenewscraperbladeontothepinsintheholder,asshown.
Figure 6-35: Inserting the new roller scraper blade
7. Insertandtightentherollerscraperbladescrews.
Figure 6-36: Tightening the roller scraper screws
8. Aftertighteningthescrews,inspectthebladeandmakesurethatitis
straight.Ifnecessary,loosenthescrewsandtightenthemagain,evenly.
9. ReturntherollerwastecollectorassemblyandtherightUVlampto
theprintblock.Seesteps6to10,frompage 6‐27.
Aligning the
Print Heads
Youshouldcheckthealignmentoftheprintheads—
• onceamonth
• afterreplacingoneormoreheads
• ifmodelqualityisnotacceptableevenaftercleaningtheorificeplateon
thebottomoftheprintblock(see“CleaningthePrintHeads”on
page 6‐18)
Thehead‐alignmentproceduretakesabout20minutes.
Important:
• Tighten the screws in the order shown in figure 6-35.
• Use the new screws supplied in the replacement kit.