Bresser Rex II User manual

WIFI 3D printer
Art. No. 2010200
User manual

www.bresser.de
2
TABLE OF CONTENTS
TABLE OF CONTENTS....................................................................................2
Introduction.......................................................................................................6
General Information..........................................................................................6
Safety Instructions ............................................................................................8
Safety in the working environment .............................................................8
Security of power supply ............................................................................8
EC DECLARATION OF CONFORMITY ................................................... 11
Chapter 1: 3D printing technology ..................................................................13
1.1 procedure...........................................................................................13
Chapter 2: About the 3D Printer...................................................................16
2.1 About the 3D Printer...........................................................................16
Parts overview..........................................................................................16
2.1.2 Terms and definitions ......................................................................17
2.1.3 Device data .....................................................................................18
2.1.4 Touch screen menus .......................................................................20
2.2 Accessories........................................................................................26
Chapter 3: Unpack..........................................................................................27
Chapter 4: Hardware structure .......................................................................31
4.1 Filament installation ...........................................................................31
4.2 Starting the printer..............................................................................32
4.3 Inserting the filament..........................................................................32
4.4 Removing the filament .......................................................................34

www.bresser.de
3
Chapter 5: Levelling the printing platform.....................................................36
Emergency plan for levelling: ...................................................................38
Chapter 6: Information about the software ...................................................40
6.1 software installation............................................................................40
6.1.1 Procurement of the software ...........................................................40
6.1.2 Installing and setting up the software ..............................................40
6.2 First steps with REXprint....................................................................41
6. 2.1 Selecting the device type ...............................................................41
6.2.2 First steps with the software............................................................42
6.2.3 Loading ...........................................................................................43
Designing reliefs.......................................................................................44
6.2.4 Views...............................................................................................46
①Changing views ..................................................................................46
②Set the view ........................................................................................47
③Reset the view ....................................................................................47
④Display the model outline....................................................................48
⑤Display of a steep overhang ...............................................................48
6.2.5 Moving.............................................................................................48
6.2.6 Turning ............................................................................................48
6.2.7 Scaling ............................................................................................49
6.2.8 Cutting.............................................................................................49
6.2.9 Supports..........................................................................................51
②Automatic supports .............................................................................52
③Adding supports ..................................................................................52
④Removing supports.............................................................................53

www.bresser.de
4
⑤Deleting supports................................................................................53
6.2.10 Printing..........................................................................................54
6.2.11 File menus.....................................................................................57
①New Project ........................................................................................57
②Save....................................................................................................57
③Preferences ........................................................................................58
6.2.12 Editing menus ...............................................................................58
6.2.13 Print menus ...................................................................................60
6.2.14 Tool menus....................................................................................65
①Control Panel ......................................................................................65
③On Board Preferences ........................................................................68
④Machine Information ...........................................................................68
6.2.15 Help menus ...................................................................................68
Chapter 7: Basic printing functions...............................................................70
7.1 Creating a Gcode file .........................................................................70
7.2 printing methods.................................................................................73
7.2.1 Printing from the computer − is connected...............................73
7.2.2 Printing from the computer No WIFI connection ...........................74
7.2.3 Printing from USB flash drive ..........................................................75
Chapter 8: Extended print functions.............................................................76
General ....................................................................................................77
Perimeter..................................................................................................78
Infill...........................................................................................................79
Supports...................................................................................................80
Raft ..........................................................................................................81

www.bresser.de
5
Additions ..................................................................................................82
Advanced .................................................................................................84
Others ......................................................................................................85
8.1 Things to know about supports ..........................................................86
Column types ...........................................................................................87
Example 2: Model with small overhang....................................................89
Manual adjustment...................................................................................90
8.2 Controlling the print quality.................................................................93
8.3 Things to know about model placement.............................................93
Further information: Cutting function ........................................................96
Chapter 9: Warranty and service ....................................................................99
Warranty...................................................................................................99
Service ...................................................................................................100

www.bresser.de
6
Introduction
Thank you for choosing the BRESSER REX-II 3D printer. We assure you that
we have manufactured according to the latest technical and safety standards.
Each device is subjected to a detailed quality control before delivery, so that
nothing stands in the way of trouble-free operation.
This manual is designed specifically for use with the REX-II 3D Printer. Even if
you have experience using other devices of this type or are familiar with 3D
printing technology, it is still important to read this manual because it contains a
lot of important information about the REX-II 3D Printer that will help you expand
your knowledge of 3D printing.
We also recommend the following documents for optimal print preparation:
(1) BRESSER REX-II Quick Start Guide
The Quick Start Guide is included with the printer. The information it contains
will help you start printing in no time.
(2) BRESSER REX-II product page on the Internet
Visit the product page on the Internet at www.bresser.de/P2010200 for
additional information, available updates or software for this printer and related
accessories.
General Information
Important note:
- Please read this manual carefully before using the machine.
- This manual assumes that you are using the Windows 7 operating system to
operate the 3D Printer.
- The current version of the REXprint software is used.

www.bresser.de
7
This manual contains all necessary information for setting up and operating the
device.
The operating instructions consist of the following parts: Introduction, general
and safety information, operation and product service.
For service requests, please have ready:
Item no: 2010200
Product reference BRESSER REX II 3D printer
MANUAL
Manual_2010200_3D-Drucker-REX-II_de_BRESSER_v052020a.docx

www.bresser.de
8
Safety Instructions
IMPORTANT NOTE:
Familiarise yourself with this manual and read all the instructions it contains
before you start setting up and operating the machine. Failure to heed warnings
and instructions may result in personal injury, fire, and damage to the unit or
other property.
STRICTLY FOLLOW ALL SAFETY AND OTHER INSTRUCTIONS GIVEN IN
THIS MANUAL AT ALL TIMES!
Safety in the working environment
①Keep the workplace clean!
②Do not operate the 3D Printer in the presence of flammable liquids, gases or
dust.
③Keep children and untrained persons away from the 3D printer.
Security of power supply
①Operate the 3D Printer only from a earthed power outlet. Do not make any
changes to the power plug of the 3D Printer.
②Do not operate the 3D printer in a hazy or humid environment.
Do not expose the 3D printer to direct sunlight.
③Do not use the power cord for any purpose other than its intended use.

www.bresser.de
9
④Do not operate the unit during thunderstorms.
⑤To avoid accidents, disconnect the device from the power supply if you are
not going to use it for a long periodof time.
- safety of people
①Do not touch the nozzle or pressure plate during printing.
②Do not touch the nozzle after printing is completed.
③Wear suitable clothing.Do not wear loose clothing or loose-fitting jewellery.
Make sure that your hair, clothing and gloves do not come into the vicinity
of moving parts.
④Do not operate the device if you are tired or under the influence of drugs,
alcohol or medication.
• Precautions
① Do not leave the device unattended for a longtime.
②Do not make any changes to the device.
③Lower the pressure plate before inserting/removing filament. (The distance
between nozzle and pressure plate should be at least 50 mm)
④Operate the device in a well-ventilated environment.
⑤Do not use the device for unlawful purposes.

www.bresser.de
10
⑥ Do not use the appliance to make containers for storing food.
⑦Do not use the device to manufacture electrical equipment.
⑧Do not put models in your mouth.
⑨Do not remove the models by applying force.
⑩Do not connect the device with a network cable longer than 3 m.
- Environmental conditions
TEMPERATURE: Room temperature 15 to 30 ℃
Moisture: 20% to 70%
• Filament specifications
Use filament only for the intended purpose! Use only the BRESSER filament or
filament of the brands authorised by BRESSER!
• Filament storage
A certain degree of decay can be observed in all polymers over time. Only
unpack the filament when you need it. The filament should be stored in a clean
and dry environment and protected from sunlight.
Legal notice