GCreate GMax 1.5 Manuale utente

gMax Printer 1.5 - Quick Start Guide

v1.0–2.18.15

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Summary:

Thisguideshouldbeusedafteryourprinterhasbeensetupandcalibrated.Thismanualcanbeusedas

a“QuickStart”guidetousingtheprinteraswellasarefresheronusingtheprinter.Pleaserefertothe

UserManualforamorein‐depthguidetotheprinter.



Before Plugging In the Printer...

Aftercompletingthebuild,verifyalltheprinterwiresareproperlypluggedin.Usetheelectronics

wiringdiagraminthebuildmanualtodoublecheckthewires.

1. Alongwithyourkityoushouldhavereceivedasmallplasticknobwhichslipsontothemetal

studontheLCDscreen.Installthisknobontothemetalstud.



Plug In and Power up

1. Removethepowercordfromthepowersupplyboxandusethecordtoplugthepowersupply

intothewall.

Note:ThepowersupplyisacomputerATXpowersupplyanditwillhave

manyadditionalwirescomingoutoftheback.Thesewiresarenotused

andshouldbetiedandtuckedaway.

2. PressthepowerbuttonlocatedbeneaththeLCDscreentoturnontheprinter.

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3. TheprinterLCDscreenshouldimmediatelyturnonanddisplaytext.Belowisadiagramofwhat

eachportionoftheLCDscreenrepresents.(Thisisfordualextrudersandsingleextrudersetups

willnothavea“Hotend#2”reading):

Note:IfyourLCDscreendisplaysthemessage“MINTEMP”orthe

Hotend“Currenttemp”reads0degrees,donotproceedandcheckthe

connectionofyourthermistors.Refertotheforumformoreinformation

onfixintaMINTEMPerror.



Slicing

1. Wemusttakethe3dmodelofyourchoosingand“slice”itintomanylayers.Eachlayerismade

upofapathfortheextrudertofollow.RefertothemanualorthegCreateYouTubechannelfor

informationandtutorialsonslicing.

Note:Werecommendslic3rforitseaseofuseandconstantupdates.



2. Slicingyourmodelwillresultinthecreationofagcodefile.

Note:Agcodefileisatextfilefilledwithcommandsusedtorunthe

printer.ItcanbeopenedwithasimpletexteditorsuchasMicrosoft

Notepad.Agcodefileisnotthesameasa3dmodeloran.stlfile.

3. InserttheSDcardsuppliedwithyourprinter,intothecomputerandloadthisfileonthecard.

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4. ProperlyejecttheSDcardfromthecomputer.

Insert Filament Into Extruder

1. Openaspooloffilamentandplaceonfilamentspool

bracketsontopofprinter.Ensurethefilamentunspools

fromthebottom.



2. Adjustbracketstomatchwidthofspool.Shouldthe

filamentgettangled,thiswillpreventthespoolfromfalling

anditalsoallowsthefilamenttounwindsmoothly.



3. Everytimeyouinsertfilament,cutendoffilamentatan

angletoproduceacleanend.Itisrecommendedto

straighten4”oftheendofthefilamentbygentlybending

it.Thiswillmakeitmucheasiertoinsertintotheextruder.



Theseareswingarmsaremadeofcarbonfiber

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4. Pinchtheextruderarmabovethespringand

insertfilamentintotoholeattop.

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5. Slidefilamentinuntilyouseeitenterthetop

ofthehotend.Youmayhavetotwistthe

filamenttogetittoenterproperly.The

filamentshouldslideinveryeasilyalltheway

downuntilitreachesthebrassnozzleatthe

bottomoftheextruder,about4”total.

Twistingthefilamentisthefastestandeasiest

waytoensureitdoesn’tcatchonanything.

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Note:Whenchangingfilamentcolors/types,youmayneedtopurgethe

oldmaterialoutofthenozzle.Whenthenozzleishotandwhile

pinchingtheextruderarm,pushmaterialthroughthenozzletopurge

theoldmaterial.

Choose a File to Print

1. SlidetheSDcard(upside‐down)intotheleftsideoftheLCDscreen.Itslidesinjustbelowthe

circuitboardanditshouldpush‐clickintoplace.Youshouldalsopush‐clickwhenremovingit.

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2. UsingtheLCDscreen,thebottomlineshouldnowsay“CardInserted”.Ifnot,tryremovingthe

SDcardandreinsertingit.

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3. PushintheLCDscreenknob(thisisyouracceptbutton)andscrolldownto“PrintfromSD”and

pushintheknobagain.



4. Selectthefileyouwishtoprintandpushtheknob.



Your first Print

1. First,youwillseetheextrudermovetotheleftuntilithitstheleft(x‐axis)endstop.



2. Secondly,thebedwillmoveforwarduntilithitsthefront(y‐axis)endstop.

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3. Finallythezaxiswillloweruntilithitstheleft(z‐axis)endstopattachedtothealuminumframe.



Note:Iftheprinterstopsatanyofthesestepsormissestheendstop,

refertothetroubleshootingportionoftheforumforhelp.



4. Oncetheextruderstops,thisisconsideredtheprinter’s“Home”positionanditwill“re‐home”

everytimeyoustartaprint.

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5. Ifyouareusingthelatestconfigurationfiles,youwillthenseethez‐axislift10mmandstop

whilethehotendstartstoheat.Thiswillpreventthehotendfrommeltingtheacrylicbedasit

heatsup.

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6. Thehotendwillthencontinueheatup,whichyoucanseeontheLCDscreen,untilthecurrent

temperaturereachesthetargettemperature.Ifitdoesn’theatuprefertothetroubleshooting

areaoftheforum.



7. Theheatwillreachthetargettemperatureafterabout20‐30seconds

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Printing Starts…

1. Theextruderwillthenmovetothecenterofthebedandstartextrudingplastic.



2. Astheprintbegins,youmayhavetoadjusttheheight

oftheextruderbymanuallyturningBOTHofthez‐axis

motorcouplersclockwisetoraisetheextruder,or

counterclockwisetolowerit.Youcanalsoturnonly

onesidetolevelthex‐axis.

Note:Usingaz‐lift(slic3rsetting)isnotthe

bestwaytozeroinyourz‐axisheight.You

shouldadjustitmanuallytoguaranteefuture

results.

3. Thegoalistomakesuretheplasticisextrudingflaton

thebed.Ifyoucan’tseeanyplasticorthemotoris

skipping(atickingsound),itmaybetooclosetothe

bedinwhichcaseyoushouldraisetheextruder.Look

closelyatthenozzletipasyouturnthemotorstosee

theheightchanges.



Note:Youmayneedtomanuallyadjustthez‐axiscouplersasyoucontinuetouseyour

printertoensuretheprintstartsoutperfectlyflat.



First Layer Print Diagram

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Nozzle is too low



Nozzleisdraggingonprintbed

andnotallowingthefilament

tobepushedout.Ifthisprint

continuesthebedmaybecome

damaged.



Solution

Raisethenozzleasoutlined

aboveandmakesuretoturn

thez‐axisscrew(outlined

below)tosetthenewminimum

z‐axisheight.

Nozzle is just right



Nozzleisslightlyaboveprintbed

allowingfilamenttobeevenly

spreadontothesurface.The

filamentshouldbeaclean

continuouslinethroughoutthe

wholeprint.



Solution

Nothing.Keepaneyeontheprint

andletiffinish.

Nozzle is too high



Nozzleistoofarfromprintbed

causingthefilamenttonot

adhereandinsteaditwill

extrudeintotheair.Youwill

eitherseeablobformatthe

tiporstringingintheair.



Solution

Lowerthenozzleasoutlined

aboveandmakesuretoturn

thez‐axisscrew(outlined

below)tosetthenew

minimumz‐axisheight.



Next Steps

Ifyourprinterisnewandnotfullycalibratedmakesuretokeepaneyeontheprint.Everyfileyouprint

hasitsowncharacteristicsandsometimesitwillsurpriseyouwhathappens.Alsothebeginningofthe

printiscriticaltothefinalresultsandyoushouldmakesureitadherescorrectly.

Note:Asprintstarts,keepaneyeonthefilamentspooltoensureit

doesnotbindorwraparoundthebrackets.Thisisespeciallytruefor

newspoolsoffilament.



Adjust Minimum Z-Axis Height

Youshouldalsoadjustthez‐axisendstopscrewtosetthenewzeropoint.Thezeropointisthelowest

pointtheextruderwillgoandthiswillbetheheightinwhichtheprintwillstart.Thisshouldbedone

afteradjustingyourfirstprint.



Settingthez‐axisscrewshouldbedoneany

timeyouhavetomanuallyadjustthe1

layer

height.Raisingorloweringthisscrewwillsetin

thez‐axisheightforyournextprint.



Note:Thedesignofthex‐axis

mayhavechanged,butthez‐

axisscrewlocationisstillonthe

leftside.







Removing the print. David vs. Goliath

Aftertheprintfinishesyoucanimmediatelypopitoff(unlessit’sverysmallinwhichcaseyoumay

wanttoletitcoolforafewminutes).

Ifthefirstlayerprintedcorrectlyyoushouldseenocurlingandtheprintshouldbeeasytoremove.



USINGEXTREMECAUTIONtakethesuppliedscraperandgentlytapattheedgesoftheprint.

Wehavefoundthistappingactionismuchsaferandmucheasiertoremoveamodelratherthanpure

bruteforceanditisalsobetterfortheprintbed.Lookforcornersofthemodelandtapthemwiththe

scraperflatonthebed.Afterseveraltapstheprintshouldpopoffthebed.Iftheprinthasalarge

surfaceareaontheprintbeditmaybehardertoremoveandyoumayhavetoslidethescraperbelow

themodel.



RememberthescraperisverysharpandNEVER

placeyourhandbehindtheareayouare

scraping.Takingafewextrasecondstoremove

themodelismuchbetterthanatriptothe

hospital.



Oncetheprintisremoved,inspectittoseehowitprintedusingthecurrentsettings.Youcanrecord

whathappenedwitheachprintandovertimeitwillbecomeintuitive.

Iftheprinthasanystringingorglobsstucktothesideyoucancarefullyuseabladetoremovethe

plasticorinsomecasesitjustflakesoff.

Note:Alighterworksgreattoheattheplastictofixanyproblemareas

andtosmoothverysharpedges.Usecautionwhenusingthelighter

becauseparticulatemaystainthemodel.Rememberyoujustwantthe

heatfromtheflamenottheflameitselftotouchthemodel.

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