Objet Eden500V - Replacing Print Heads

DOC-00500 Rev. F 7–27
Eden500V/350V/350 User Guide
Replacing
Print Heads
Youneedtoreplaceaprintheadifoneormoreofthefollowingsymptoms
occurs:
• Thepatterntestrevealsthatmorethan15nozzlesarenotfunctioningin
oneareaofthehead.
• Visualinspectionrevealsthatthesurfaceoftheheadisdamaged—
peelingorbubblesinthenozzlearea.
• TheEdeninterfacedisplaysawarningormalfunctionmessagerelating
toaprinthead—
 HeadHeatertemperaturetimeout
 HeadHeaterthermistoropen
 HeadHeaterthermistorshort
• Testsrevealthatthematerialprintedbyaprintheadisunderweight
(thatis,notenoughmaterialisbeingoutputted).
Note: Weight tests are performed only by an authorized service engineer.
Awizardguidesyouthroughtheprocedureofreplacingaprinthead,and
adjustscomponentsoftheEdenprintertoenableyoutoperformit.Only
replaceaprintheadwiththeaidofthewizard.Theproceduretakes75—90
minutes,andconsistsofthefollowingphases:
A. Identifyingthehead(s)needing
replacement.
Thisisusuallydonebyexaminingtheresultsofthepatterntest,after
attemptingallothermeansforimprovingprintquality(see
“ImprovingPrintQuality”onpage 20).Otherwise,evidenceof
physicaldamagetotheheadsurfaceoramalfunctionmessage
indicateswhichheadneedsreplacing.
B. Preparingtheprintblockfor
headreplacement.
ThisisdoneautomaticallywhenyouruntheHeadReplacementwizard.
C. Removingthedefectiveprinthead.
D. Installinganewprinthead.
E. Performingweightcalibration.
Thewizardprintsasample.Afterweighingitonascale,youenterthe
weightinthewizarddialogbox.
F. Performingheadalignment.
Replacing print heads is expensive. Replace them only after consulting with
Objet customer support to determine that head replacement is necessary.