Operating & Maintaining the Objet1000 Plus 3D Printer
6–44
DOC-06810 Rev. A
Toreplaceprintheads,youneedthesetoolsandmaterials:
• replacementprinthead(s)
• isopropanol(IPA—isopropylalcohol)orethanol(ethylalcohol)
• disposablecleaninggloves(suppliedwiththeprinthead;oruse
anyclean,powder‐freeprotectivegloves)
• asuppliedcleaningclothorequivalent
• amirror
• a5mmflat‐headscrewdriverora3mmhex(Allen
®
)key,
dependingonthetypeofprintblock
• thescalesuppliedforuseintheHeadOptimizationwizard(Weight
Test)
• theMissingNozzlesruler
Ifyouarereplacingprintheadsnow,thewizardguidesyouthroughthe
procedurewhenyouclickNext.Continuewith“PreparingthePrint Block”
onpage 46.
Replacing
Print Heads
Theconditionoftheprint headsdirectlyaffectsthequalityofprinted
models.Youmayneedtoreplaceaprintheadifoneormoreofthe
followingsymptomsoccurs:
• TheHeadOptimizationwizarddeterminesthataprintheadis
defective.(See“Optimizing(Calibrating)PrintHeads”onpage 36.)
• Therearenoticeablegroovesinthesurfaceofprintedmodels.
• Visualinspectionoftheheadrevealsthatitssurfaceisdamaged—
peelingorbubblesinthenozzlearea.
• Theprinterinterfacedisplaysawarningormalfunctionmessage
relatingtoaprinthead—
HeadHeatertemperaturetimeout
HeadHeaterthermistoropen
HeadHeaterthermistorshort
Replace print heads only after consulting with an authorized customer-
support engineer.