Objet1000 Plus User Guide 6 Operating and Maintaining the Objet1000 Plus 3DPrinter
DOC-06810 Rev.B 6-48
Replacing
Print Heads
Theconditionoftheprintheadsdirectlyaffectsthequalityofprintedmodels.
Youmayneedtoreplaceaprintheadifoneormoreofthefollowing
symptomsoccurs:
•TheHeadOptimizationwizarddeterminesthataprintheadisdefective.
(See"Optimizing(Calibrating)PrintHeads"onpage6-40.)
•Therearenoticeablegroovesinthesurfaceofprintedmodels.
•Visualinspectionoftheheadrevealsthatitssurfaceisdamaged—peeling
orbubblesinthenozzlearea.
•Theprinterinterfacedisplaysawarningormalfunctionmessagerelating
toaprinthead—
❒ HeadHeatertemperaturetimeout
❒ HeadHeaterthermistoropen
❒ HeadHeaterthermistorshort
ReplaceprintheadsonlyafterconsultingwithaStratasys-authorized
customer-supportengineer.
TheHeadOptimizationwizardguidesyouthroughtheprocedureofreplacing
aprinthead,andconfiguresprintercomponentstoenableyoutoperformit.
Onlyreplaceaprintheadwiththeaidofthewizard.
Theentireprint-headreplacementproceduretakes75—90minutes,and
consistsofthefollowingphases:
A. Identifyingthehead(s)needingreplacement.
ThisisnormallydonebytheHeadOptimizationwizard.Otherwise,
evidenceofphysicaldamagetotheheadsurfaceoramalfunctionmessage
indicateswhichheadneedsreplacing.
B. Preparingtheprintblockforheadreplacement.
Thisisdoneautomaticallywhenyourunthewizard.
C. Removingthedefectiveprinthead.
D. Installinganewprinthead.
E. Optimizingtheprintheads(doneautomaticallybythewizard).
F. Performingheadalignment.