User's Manual

DOC08010 Rev. A (DRAFT 1) 6–35
Stratasys P750K User Guide
13. Continueȱasȱfollows:
• Toȱmakeȱtheȱalignmentȱchangesȱinȱtheȱprinter,ȱmakeȱsureȱthatȱYesȱisȱ
selected,ȱandȱclickȱ
Next.
• Toȱrecheckȱtheȱalignmentȱtestȱresultsȱbeforeȱmakingȱtheȱalignmentȱ
changesȱinȱtheȱprinter,ȱclickȱ
Previous.
• Ifȱyouȱdoȱnotȱwantȱtoȱmakeȱalignmentȱchangesȱinȱtheȱprinterȱatȱthisȱ
time,ȱselectȱNoȱandȱclickȱ
Next.
14. Inȱtheȱfollowingȱscreen,ȱyouȱcanȱchooseȱtoȱeitherȱrepeatȱtheȱheadȱ
alignmentȱprocedureȱorȱcloseȱtheȱwizard.ȱ
• Ifȱtheȱmostȱcloselyȱalignedȱverticalȱlinesȱforȱaȱprintȱheadȱwereȱatȱ
eitherȱextreme—theȱfirstȱorȱseventhȱlines—chooseȱRepeatȱtheȱtest,ȱ
thenȱclickȱ
Next.ȱ
Theȱtransparencyȱtestȱwillȱshowȱifȱtheȱheadsȱareȱnowȱproperlyȱ
aligned,ȱand—ifȱnot—theȱwizardȱwillȱallowȱyouȱtoȱ“fineȱtune”ȱtheȱ
alignment.
• Ifȱtheȱverticalȱlinesȱforȱtheȱprintȱheadsȱwereȱnotȱalignedȱatȱeitherȱ
extreme,ȱchooseȱEndȱtheȱwizard,ȱthenȱclickȱ
Next.
Figure 6-47: Repeat head alignment option
Optimizing
(Calibrating)
Print Heads
Theȱconditionȱofȱtheȱprintȱheadsȱdirectlyȱaffectsȱtheȱqualityȱofȱprintedȱ
models.ȱToȱmaintainȱoptimumȱprinting,ȱyouȱshouldȱroutinelyȱtestȱtheȱprintȱ
headsȱandȱcalibrateȱthemȱtoȱtheȱbestȱworkingȱconfigurationȱpossible.ȱToȱdoȱ
this,ȱrunȱtheȱHeadȱOptimizationȱwizardȱeveryȱ300ȱhoursȱofȱprinting.
Duringȱthisȱprocedure,ȱyouȱplaceȱ
aȱscaleȱonȱtheȱbuildȱtrayȱandȱconnectȱitȱtoȱ
theȱprinter.ȱTheȱweightsȱofȱprintedȱsamplesȱareȱanalyzedȱbyȱtheȱwizardȱtoȱ
determineȱhowȱtoȱoptimizeȱtheȱprintȱheads.ȱ
If,ȱduringȱtheȱoptimizationȱprocess,ȱtheȱwizardȱdeterminesȱthatȱaȱprintȱheadȱ
isȱfaulty—orȱthatȱitȱisȱnegativelyȱaffectingȱlayerȱuniformity
ȱwithȱtheȱcurrentȱ
headȱconfiguration—theȱwizardȱinstructsȱyouȱtoȱreplaceȱit.ȱIfȱthisȱhappens,ȱ
youȱhaveȱtheȱoptionȱtoȱreplaceȱtheȱprintȱheadȱorȱtoȱabortȱtheȱwizardȱandȱ
replaceȱtheȱheadȱatȱanotherȱtime.ȱ
Run the Head Optimization wizard whenever the condition of print heads is
negatively affecting the quality of printed models, or if you suspect that there
is a problem with one or more of the print heads.