----3D Printer User Guide
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JGAURORA 3D PRINTER
MODEL: A-4
USER GUIDE
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Contents
1. Preface......................................................................................................................................................................................3
1.1 Introduction
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3
1.2 Safety matters
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3
1.3 Filament requirements
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3
1.4 Environmental requirements
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3
2. About A-4................................................................................................................................................................................. 4
2.1 Basic reference
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4
2.2 Views of A-4
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4
2.3 Nozzle exploded view
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5
2.4 Tool box lists
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6
3. About JGcreat software..........................................................................................................................................................7
3.1 Software installation............................................................................................................................................7-8
3.2 JGcreat introduction..........................................................................................................................................8-11
4. Basic printing........................................................................................................................................................................ 12
4.1 Control menu introduction
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12
4.2 Main menu introduction
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13
4.3 Platform leveling
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13
4.4 Filament loading..............................................................................................................................................14-15
4.5 Filament replacement notes
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16
4.6 First printing....................................................................................................................................................16-17
5. Common problems and solutions........................................................................................................................................18
6. 3D printer maintenance........................................................................................................................................................19
6.1 Daily maintenance
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19
6.2 Basic maintenance
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19
6.3 Transmission components maintenance
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19
7. Supports and service.............................................................................................................................................................20
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1. Preface
I.1 Introduction
The JGAURORA A-4 User Guide is designed for the A-4 users to start their printing journey with JGAURORA A-4.
Even if you are familiar with earlier JGAURORA machines or 3D printing technology, we still recommend that you
read through this guide, as there is lots of important information about the A-4 for you to get a better 3D experience.
1.2 Security matters
1) During printing, the temperature of nozzle part can be up to 250℃. To ensure safety, it is forbidden to touch
the nozzle and build plate directly with hand.
2) during the running of the machine, it is forbidden to extend the hand into the machine to prevent the clip.
3) Always use the A-4 with a properly grounded outlet. Do not modify A-4 plug.
4) When the A-4 continuously work over 96 hours, it should be stop for 1-3 hours to restart.
5) Do not remove the models with force , and we recommend that you should wear protective glasses.
1.3 Filament requirements
Do not abuse the filament. Please make sure you use the JGAURORA filament or the filament from the brands
accepted by JGAURORA. If you won’t use the A-4 in a long time, to avoid damp and affect print quality, you should
remove the filament from the A-4 and sealed it. At the same time, to avoid filament knot, we should make its leading
end fixed into the hole of filament tray.
All polymers degrade with time. Do not unpack until filament is needed. Filament should be stored at room
temperature:15-30℃ and in dry conditions.
1.4 Environmental requirements
The printing temperature should between 5~40℃ , humidity: 20%~50%, only in this range can the 3D printer
work normally.
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2. About A-4
2.1 Basic reference
Model number: A-4
Print Technology: FDM(Fused Deposition Modeling)
Layer thickness: 0.1~0.3mm
Device weight: 17kg
Printing speed: 10~150mm/s
Package size: 500*510*530mm
XY axis positional accuracy: 0.015mm
Number of extruder: single
Z axis positional accuracy: 0.0025mm
Build volume: 150*140*140mm
Nozzle temperature: room temperature to 250℃
Platform material: special magnetic plate
Nozzle diameter: 0.4mm
LCD display: 4.3’color IPS Touch Screen
Support material: PLA /TPU
Connectivity: USB cable/ USB stick
Software: JGcreat
Support Formats: STL, OBJ, G-Code
Filament diameter: 1.75mm
Machine dimension: 432*395*418mm
AC Input: AC110~220V, 0.4A
OS: Windows, Linux, Mac
2.2 Views of A-4
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2
3
4
5
9
10
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6
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1. Touch screen 2. LED light switch
3. Extruder 4. Build plate
5. Filament cartridge 6. USB cable input
7. USB stick input 8. Z-axis guide rod
9. Power Switch 10. Power input
2.3 Nozzle exploded view
1.Extrusion board 2. Bearing 3. Square fan
4. Driven shaft 5. Squeezing screw 6. Nozzle heating part
7. Extrusion spring 8. Stepper motor 9. Extrusion gear
10. Heat Sink 11. Extruder fixing plate 12. Extruder PCB board fixing plate
13. Extruder PCB board 14. Extruder cover 15. Flexible flat cable
16. Thermocouple 17. Thermistor 18. Flexible flat cable pressing plate
19. Wind guide 20. Turbofan 21. Shifting pressing plate
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2.4 Tool box lists
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3. About JGcreat software
3.1 Software installation
Copy the files in USB stick to your PC, double click the software installation icon, and enter the software
installation interface, the installed process is as the picture shown:
Double click
Press
“Next(N)”
Choose where you
want to install
press“Next (N)”
Click the
choice，press
“Install (I)”
Press “Repair (R)”
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After clicking the “Finish” icon, the installation of software is completed.
3.2 JGcreat introduction
1) Open the software(JGcreat)
Press
“Finish”
Press
“Next(N)”
Press
“Next(N)”
Choose the box
as pic，press
“Finish(F)”
Double click to
open the
“JGcreat”
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2) Choose the language you prefer(English as a example):
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3) Add printer
4) Load 3d file and slice it
Load a 3d file of stl or obj, select the appropriate print quality, the lower right corner of the software shows "Slicing",
that is to generate Gcode code.
choose“A-4”, then
press“Add Printer”
Choose the print quality
you prefer
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After slicing is completed, the lower right corner of the software shows "Save the file".
5) Copy the G-code to the USB stick, insert it to USB port on the A-4 printer, and then select the file of gcode to
print through touching screen.
Note: How to operate the JGcreat software, pls refer to the file of Instructions of JGcreat in the USB stick.
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4. Basic printing
4.1 Control menu introction
Main menu
Printing
menu
Preheating
menu
Move
menu
Set menu
Model printing
menu
Choose the
printing file
Stop menu
Setting
menu
Out Filament
Back
CONFIRM
CANCEL
Extruder temp. setting
Fan speed setting
PLA option
Custom extruder temp. setting
All(back home)
X(back home)
Z(back home)
Y(back home)
X-axis go left/right
Y-axis go forward
Z-axis go up/down
E-axis feed/retract
Wifi pairing
Language
Default
Back
Back
Back
Back
Remove USB
Pause/Start
menu
In Filament
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4.2 Main menu introduction
4.3 Platform leveling
Press the “MOVE”button, then press “All”, the extruder part moves to home.
Press“All
”
Print menu
Move menu
Preheat menu
Setting menu
Extruder temp.
Firmware Info.
USB Stick connected
WIFI
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After back to home, move the extruder part through the moving shafts according to the directions as shown in
the diagram,
Prepare a piece of A4 paper as a reference, place it on the platform, move the nozzle to the A4 paper and make
some withdrawaling of A4 paper, if the A4 paper is too loose to withdrawal, then clockwise the rotary nut; if the A4
paper is too tight, then anti-clockwise it.
Note: Any question, pls refer to the video of Platfrom Leveling in SD card.
4.4 Filament loading
Press the "Preheat" option, enter into "Preheat menu", select a corresponding material. This User Guide take PLA as
an example.
Select PLA（200）
Step 1: Move to
Right backward
Step 2: Move to
Left backward
Step 3: Move to
Left forward
Step 4: Move to
Right forward
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In the process of preheating, firstly we open the top cover and install the filament tray to the stand, shown as pic:
Note: Load filament in the direction of clockwise.
Load filament though
the guide tube till
stretch out from
other end.
Install the filament
tray to the stand.
Press the pressing
screw on the left
side of nozzle ,
insert the straight
filament with the
other hand.
When the temp. up to
200℃, click
“Move”-- “E+”
button, till filament
spill out.
Filament spill out
from the nozzle.
Filament loading
finished.
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4.5 Filament replacement notes
1) In the process of model printing, when the filament is almost used up, pls follow the following steps for refueling:
a: Click “Pause” on the interface of A-4, then the X axis will go back to the home.
b: Click the "E-" button, and take off the tray after the filament is returned.
c: Install the a new roll of filament, click the "E+" button, untill feeding finished.
d: Click the “BACK”button, and enter the model print mode, and then click “Start” button to restore the
printing.
2) When filament replacing , you are adviced to preheat the printer first, and then press the pressing screw with one
hand, while push the filament down about 5-10CM with the other hand, then quickly pull it up. Pls do not pull it out
savagely, otherwise, which will cause irreparable damage to the nozzle.
4.6 First printing
1) Model loading: Select and load the 3d file you want to print, or drag it directly into the software window.
2) G-code save: After the 3d file slicing is finished, click “Save to File” button in the lower right corner to save,
and then name it, copy it to the USB stick.
Click
“Open File”
Save the file
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3) Insert the USB STICK into the USB port on the A-4, and then click "PRINT" on the "main menu" , choose the 3d
file of gcode. Click "START" , the A-4 will preheat automatically, then the temp. of nozzle will reach the printing
temperature you setted in the software, model printing begin until it is finished.
Note: when printing, if the first 1/2 layers can not be attached to the platform, please stop printing and re-leveling
the gap between the platform and the nozzle.
Click “PRINT”
Select the file you
prefer to print.
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5. Common problems and solutions
Item No.
Problems description
Reason
Solution
1
Filament break at the extruder
up end
a. Forget to replace the
filament which has used up
b. Filament was oxy-genated.
c. Filament was plugging in
the throat.
a. Replace flament in time.
b. Seal the filament off when printing
finished.
c. Clean the throat, deal with it
according to the video in USB stick.
2
Slip
Filament is too thin
Cut the thin filament
3
Temp. Is unusual
Broken temp.sensor
Change a new one
4
Different shape as STL
Screw is loose
Check and Lock the screws
5
The model is warped
The hot bed is not at a level
Adjust hot bed
6
G-code gerating failed
Wrong
setting or
wrong
save path
Choose the right machine type and
change the right path
7
Software Installation failed
Different OS
Reset OS
Notes: When re-start to print, please re-leveling the platform, to avoid damage to the nozzle and platform.
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6. 3D printer maintenance
1. Daily maintenance
1) Before using the machine to print, make sure that every safety protection measure are in good condition.
2) Regularly clean and maintain the equipment, try to clean the surface of the nozzle, hot bed, moving parts and
other parts neatly, so as to prevent wear caused by excessive dust.
3) After each repair and maintenance, it is necessary to install the disassembled parts back to their original places,
so as to avoid mechanical failures caused by missing and wrong loading.
2. Basic maintenance
1) Every day before opening the 3D printer, it is necessary to do some inspection carefully: whether the nozzle is
blocked or damaged, the connection line of each part is normal, whether the guideway or optical axis is lack of oil,
and whether the platform is calibrated and adjusted equally. when found rentate in nozzle, you need to immediately
clean up; when parts or lines are damaged or aging, you should promptly replace them; add lubricating oil regularly
to the rail or the optical axis; in the calibration process, if found the screw nut is loose, you should use six angle
wrench, screwdriver, wrench and other tools to tighten it.
2) In the printing process of 3D printer,not only the design of each print model can not exceed the actual print
range of the device, but also can not allow the machine to work in the too high temperature and too much load.
Otherwise, it not only can not print the qualified product, but also damage the machine because the overload work.
3) In order to make you use print better, please pull out the print materials within the remaining extrusion head
after finishing the printing work, and sealed well printed materials to prevent material becom damp and then break
in the nozzle, finally cause nozzle clogging.
3. Transmission components maintenance
When your machine is running, the noise becomes larger and the vibration becomes larger while moving. Then
you need to clean the rail stains and add some lubricating oil to reduce the friction.
specific Methods: first with a clean dust cloth to clean the grease or dust on moving parts, then drop 3-5ml
(about 5-8 drops) lubricating oil, thirdly paint respectively that to the machine or rail axis, and move the moving parts
to and fro, so that oil lubricate guide rail and polish rod.
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7. Supports and service
1. This product of A-4 implement the relevant regulations corresponding to the "Warranty Card".
2. If this A-4 is out of order, please don't repair it by yourself immediately, pls contact the after-sale service center or
our support team firstly.
Shenzhen Aurora Technology Co., Ltd
Headquarter Address: 5F Building 1 Longquan Technology Park, Tongsheng community,
Dalang street Longhua district, Shenzhen, China 518109
Company homepage: www.jgaurora3d.com
Tel of after sales service center/support team: 0755-29735649 / 66607459
Email of support: support@zgew3d.com or after-sales@3derwo.com
Official website Official Facebook
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