User's Manual

Table Of Contents
Operating & Maintaining the Alaris30 3-D Printer
7–24
DOC-24000 Rev. A
Toomanymissinglines,especiallyiftheyareinthesamearea,
indicatesthatthequalityofprintingwhenproducingmodelswillbe
poor.Ifthisisthecase,see“ImprovingPrintQuality,”below.
Note: Acceptable model quality is subjective, and depends on the type
and scale (size) of the models produced. As a rule, however, if two
consecutive lines are missing, or if there are more than 10 lines missing in
either column, the model quality is usually unacceptable.
Improving
Print Quality
Ifyoususpectthatprintqualityispoor,performthepatterntest(see
“PatternTest).Iftheresultsarepoor,usethefollowingprocedure to
improveprintquality.
If the results of the last pattern test are poor:
1. FromtheOptionsmenu,selectExecute Purge Sequence,orpressF4.
2. Intheconfirmationdialogbox,click
Yes.
Theprintheadsarepurgedofmodelandsupportmaterial,andthe
wiperremovesexcessmaterialfromthem.
3. Repeatthepurgesequence.
4. Performthepatterntest.
If the results of the pattern test are still poor:
1. Manuallycleantheprintheads(see“CleaningthePrintHeads”on
page 7 21).
2. Performthepurgesequence.
3. Performthepatterntest.
If the results of the pattern test are still poor:
1. Carefullycleantheprintheadsagain,makingsurethereisnoresidue
leftonthem.
2. Performthepurgesequence.
3. Performthepatterntest.
If the results of the pattern test are still poor:
¾
Replacefaultyprintheads(see“ReplacingPrint Heads”onpage 734).
Cleaning and
Replacing the
Wiper
Arubberwiperremovesexcessmaterialfromtheprintheadsafterthe
purgesequence.Thisisdoneautomaticallybeforeeachprintjob,and
performedmanuallyduringmaintenancetasks.Youshouldcleanthe
wiperandsurroundingareaatleastonceaweek.If thewiperisdamaged
orworn,replaceit.
To inspect and clean the wiper:
1. Prepare—
isopropanol(IPA—isopropylalcohol)orethanol(ethylalcohol)
disposablecleaninggloves
anObjetsuppliedcleaningclothorequivalent
asparewiper
anM2.5Allenkey
DRAFT 4 - July 11, 2010