Stratasys Objet260 - Page 183

Objet260 User Guide 6 Operating and Maintaining the Objet260 3DPrinter
DOC-37004 Rev.E 6-50
Toreplaceprintheads,youneedthesetoolsandmaterials:
❒ replacementprinthead(s)
❒ isopropanol(IPA—isopropylalcohol)orethanol(ethylalcohol)
❒ disposablecleaninggloves(suppliedwiththeprinthead;oruseany
clean,powder-freeprotectivegloves)
❒ asuppliedcleaningclothorequivalent
❒ amirror
❒ a5mmflat-headscrewdriverora3mmhex(Allen)key(dependingon
thetypeofprintblock)
❒ thescalesuppliedforuseintheHeadOptimizationwizard(Weight
Test)
❒ theMissingNozzlesruler
Ifyouarereplacingprintheadsnow,thewizardguidesyouthroughthe
procedurewhenyouclickNext.Continuewith"ReplacingPrintHeads"
below.
Replacing
Print Heads
Theconditionoftheprintheadsdirectlyaffectsthequalityofprintedmodels.
Youmayneedtoreplaceaprintheadifoneormoreofthefollowing
symptomsoccurs:
•TheHeadOptimizationwizarddeterminesthataprintheadisdefective.
(See"Optimizing(Calibrating)PrintHeads"onpage6-42.)
•Therearenoticeablegroovesinthesurfaceofprintedmodels.
•Visualinspectionoftheheadrevealsthatitssurfaceisdamaged—peeling
orbubblesinthenozzlearea.
•Theprinterinterfacedisplaysawarningormalfunctionmessagerelating
toaprinthead—
❒ HeadHeatertemperaturetimeout
❒ HeadHeaterthermistoropen
❒ HeadHeaterthermistorshort
ReplaceprintheadsonlyafterconsultingwithaStratasys-authorized
customer-supportengineer.