FCC ID: 2A7F8-SK1 FDM high speed printer

TEL: +0086-0755-23987110 Http: www.twotrees3d.com E-mail: service@twotrees3d.com Facebook: https://www.facebook.com/twotrees3d Address: Room 402, Building 11, No.9 Qilin Road, Nankeng Community, Bantian Street, Longgang District, Shenzhen, Guangdong, China, 518000 254*254*254 Max Printing Speed Max Acceleration Nozzle Temperature Printing Size Note: The picture is for reference only, the actual product shall prevail A LETTER TO A CLIENT Dear Customer:

Thank you for choosing our brand. We have always been customer-oriented, continuous innovation, the pursuit of excellence, so that everyone can have a rich experience in the use of the process. I hope you enjoy your time with the two trees. If you have any questions, please feel free to contact our customer service of each purchase plat-

form. Other contact channels are:

Website: www.twotrees3d.com After-sales Email: service@twotrees3d.com Consultation Email: info@twotrees3d.com We will contact you within 24 hours. Wish you a happy life!

The Two Trees team MATTERS NEEDING ATTENTION CATALOGUE

damage caused by forced movement of the machine.

to the machine power supply due to the mismatch of voltage gear. 3. The printer has 110VAC / 230VAC and other high voltage power interfaces. Do not use any other power cord other than the one provided. Use approved power cords and sockets to ensure power cords are not damaged. 4. Do not place the printer in a large vibration or other unstable environment, the machine shake will affect the printer print quality. It is recommended to place it in a well-ventilated and low-dust environment to avoid over-

heating of the machine. 5. Risk of scalding: Do not touch the nozzle and hot bed when the printer is working to prevent high tempera-

ture scalding. After printing, timely using the residual temperature of the nozzle to clean the consumables up on the nozzle with the help of tools, and do not touch the nozzle with your hands directly during cleaning to prevent scalding.

other objects into the inside of the running printer to prevent injury. 7. Adult supervision: ensure that children do not have access to the machine, so as not to cause personal acci-

dents. 8. Do regular product maintenance: regularly in the case of power failure, use dry cloth to clean the printer body, wipe dust and bonded printing materials, please lubricate and maintain the guide rail regularly. 9. In case of emergency, please turn off the power directly. 01 1. About your printer 2. 3. Machine parameters 4. Accessories list 5. The machine assembly 01 02 03 04 05 ABOUT YOUR PRINTER FUNCTION DEFINITION Extructor 4.3-inch touch screen PEI magnetic steel plate Line guide rail Lead screw Rigid coupling 01 Towing chain module Filament rack Power interface

stepper motor

stepper motor Main board Lead screw Rigid coupling Chassis power supply

02 Serial number Interface

Internet Interface USB3.0 Interface USB2.0 Interface Screen Interface Power Interface Ethernet port for network cable connection

Connect wireless card Connect PC

Connect wireless card Connect PC Used to expand other screen sizes, RJ11 type interface Connect AC power supply MACHINE PARAMETERS ACCESSORIES LIST Model :SK1 Color: Black Nozzle Number :1

Display screen: 4.3-inch IPS capacitive touch color screen (480*272) Print size :254x254x254mm Firmware type :Klipper Open source Printing accuracy :0.1mm Filament :PLA \ PETG \ ABS \ ASA \ TPU \ PC \ UltraPA

Nozzle diameter: 0.4mm

Filament diameter: 1.75mm Maximum speed :700mm/s Slicing software :Ultimaker Cura, Prusaslicer, Lycheeslicer, Simplify3D, etc Maximum acceleration :20000mm/s

Software language: Chinese \ English \

Spanish \ German \ French \ Russian \

Supported system :MacOS\Windows\Linux Nozzle temperature (Max.) : 300 Hot bed temperature (Max.) : 100 Power parameters: 230V/110V 350W Best working environment :20-40 03 Working environment: Temperature: 5-40;

Humidity: 20-60% RH

Half round head screw

Half round head screw

04 THE MACHINE ASSAEMBLE

Cup head screws M3*6X2 THE MACHINE ASSEMBLE

05

06 THE MACHINE ASSEMBLE

Half round head screw M4*8X2

THE MACHINE ASSEMBLE 4. Install the 4.3-inch screen module

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08 THE MACHINE ASSEMBLE b. Before installation, insert the reserved screen cable into the terminal block, and then push the screen assembly along the chute into the corresponding slot of the bracket, then the installation is complete. 09 LETTRE NOS CLIENTS Cher client :

Nous vous remercions sincrement de nous avoir choisi. Nous avons toujours t orients vers nos clients, en innovant constamment et en recherchant

Nous esprons que vous passerez de bons moments avec Two Trees. Si vous avez des questions, nhsitez pas contacter notre service clientle sur chaque plateforme dachat. Les autres moyens de contact sont les suivants:

Site web : www.twotrees3d.com Courriel aprs-vente : service@twotrees3d.com Demande de renseignements : info@twotrees3d.com Nous vous contacterons dans les 24 heures. Nous vous souhaitons une vie heureuse !

Lquipe Two Trees FCC Warnning:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection againstharmful interference in a residential installation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of thefollowing measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1)This device may not cause harmful interference received, including interference that may cause undesired operation. interference, and (2) this device must accept any This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. ATTENTIONS TABLE DES MATIRES

dviter tout endommagement de lalimentation de machine cause de linadquation de lengrenage de tension au dmarrage. III. Limprimante possde des connexions dalimentation 110VAC / 230VAC et dautres connexions dalimenta-

tion haute tension. Nutilisez pas dautre cordon dalimentation que celui fourni. Utilisez un cordon dalimenta-

tion et une prise de courant reconnus et assurez-vous que le cordon dalimentation n'est pas endommag. IV. Ne placez pas limprimante dans un environnement vibrant ou instable, les secousses de la machine affect-

eront la qualit dimpression de limprimante. Il est recommand de la placer dans un environnement bien

brlures dues la temprature leve, aprs l'impression, nettoyez les consommables sur la buse laide dun

avec la main lors du nettoyage pour viter les brlures. VI. Lorsque la machine est en marche, ne vous approchez pas des pices en fonctionnement et ne mettez pas

accident corporel. VIII. Effectuez rgulirement un entretien du produit, en cas de coupture dalimentation, nettoyez limprimante

rgulirement le rail de guidage.

I. propos de la machine II.Fonctions III.Paramtres de la machine IV.Liste des accessoires

10 11 12 13 14 PROPOS DE VOTRE IMPRIMANTE FONCTIONS

cran tactile de 4,3 pouces Tle d'acier magntique PEI Rail Vis Accouplement rigide Assemblage de la chane dentranement Support des consommables Connecteur dalimentation carte mre Moteur pas--pas

Moteur pas--pas

Vis Accouplement rigide 10 Alimentation du chssis

No. Ports Fonctions Port Internet Port Ethernet pour la connexion dun cble rseau Port USB3.0 Port USB2.0 Connexion dune cl USB \Connexion

PC Connexion dune cl USB \Connexion

PC Port cran Pour lextension d'crans diffrents, interface de type RJ11 Port Alimentation Raccordement de lalimentation en courant alternatif 11 PARAMTRES DE LA MACHINE LISTE DES ACCESSOIRES Modle:SK1 Couleur : Noir

Nombre de buses : 1 cran : cran tactile capacitif IPS de 4,3 pouces (480*272) Dimensions dimpression:254x254x254mm Type de micrologiciel:Klipper Open Source

Prcision de l'impression:0.1mm Consommables d'impression : PLA\PETG\ABS\ASA\TPU\PC\UltraPA

Diamtre de la buse : 0,4 mm

Diamtre des consommables :1.75mm Vitesse maximale:700mm/s logiciel de trancheuse: Ultimaker CuraPrusaslicerLycheeslicerSimplify3D, etc. Acclration maximale:20000mm/s

G-code Langues du logiciel allemand, franais, russe.

: chinois, anglais, espagnol, Systmes:MacOS\Windows\Linux Temprature de la buse (max.) : 300C Temprature du lit chaud (maximum)100 Paramtres d'alimentation : 230V/110V 350W Environnement idal de travail : 20-40. 12 Environnement de travail : temprature : 5-40C ;

Humidit : 20-60% humidit relative

13 V. ASSEMBLAGE DE LA MACHINE

V. ASSEMBLAGE DE LA MACHINE

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15 V. ASSEMBLAGE DE LA MACHINE 3.Installation du support des consommables

Support des consommablesX1 V. ASSEMBLAGE DE LA MACHINE 4.Installation de l'cran 4.3 pouces a.Installation du support

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17 V. ASSEMBLAGE DE LA MACHINE b.Installation du support Insrez le cble rserv l'cran dans le bornier avant l'installation, puis poussez l'ensemble de l'cran le long de la glissire dans la fente correspondante du support pour accomplir linstallation.

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Label and Location Model No.: SK1 FCC ID : 2A7F8-SK1 Caution : This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Size: L: 4.0cm*W: 3.0cm Label and Location

Shenzhen TwoTrees Technology Co., Ltd. Room 402,Building 11,No.9 Qilin Road,Nankeng Community Bantian Street,Longgang District Shenzhen China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-10-28 To whom it may concern:

We, Shenzhen TwoTrees Technology Co., Ltd., hereby certify that the equipment for which authorization is sought (FCC ID: 2A7F8-SK1) is not covered equipment prohibited from receiving an equipment authorization pursuant to 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (hitps://www foc. gov/supplychain/coveredlist) as an entity producing covered equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under 2.914(b) and (4)(5) and (6). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 DO1 Li jia Duyony Signature Zijia Ouyang Manager Shenzhen TwoTrees Technology Co., Ltd.

Shenzhen TwoTrees Technology Co., Ltd. Add: Room 402,Building 11,No.9 Qilin Road,Nankeng Community Bantian Street, Longgang District Shenzhen China Date: 2023-10-28 FCC ID: 2A7F8-SKI Dear Sir/Madam, We, Shenzhen TwoTrees Technology Co., Ltd. Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these model:

Product name: FDM high speed printer Model no.: SK1, SK1 Pro, SK1 Plus, SK1 Ultra Sincerely, Lt fio Dupony Name/Title: Zijia Quyang/Manager Company: Shenzhen TwoTrees Technology Co., Ltd. Address: Room 402,Building 11,No.9 Qilin Road,Nankeng Community Bantian Street, Longgang District Shenzhen China Phone: +86 13530926987 Fax: N/A E-Mail: ceo@twotrees3dprinter.com

Sincerely, Name/Title Zijia Ouyang/Manager Company:

Address:

Shenzhen TwoTrees Technology Co., Ltd. Room 402,Building 11,No.9 Qilin Road,Nankeng Community Bantian Street,Longgang District Shenzhen China

+86 13530926987 N/A ceo@twotrees3dprinter.com Phone:

Fax:

E-Mail:

Shenzhen TwoTrees Technology Co., Ltd. Room 402,Building 11,No.9 Qilin Road, Nankeng Community Bantian Street Longgang District Shenzhen China Date: 2023-10-28 FCC ID: 2A7F8-SK1 Model Number: SKI To:

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD To Whom It May Concern, We, Shenzhen TwoTrees Technology Co., Ltd., declare that this EUT

(FCC ID: 2A7F8-SK1) doesnt have Ad Hoc mode function on non-US/Canada frequencies. In addition. The frequency selection feature is disabled by firmware for devices marked to the US/Canada. For DTS part of this device, only channels 1-11 will be used in North America, Country code selection is disabled. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, Li jio Ouyony Name/Title: Zijia Ouyang/Manager Company: Shenzhen TwoTrees Technology Co., Ltd. Address: Room 402,Building 11,No.9 Qilin Road,Nankeng Community Bantian Street Longgang District Shenzhen China Phone: +86 13530926987 Fax: N/A EMail: ceo@twotrees3dprinter.com

Shenzhen TwoTrees Technology Co., Ltd. Room 402,Building 11,No.9 Qilin Road, Nankeng Community Bantian Street, Longgang District Shenzhen China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-10-28 To whom it may concern:

We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behaffin all matters relating to applications for equipment authorization FCC ID: 2A7F8-SK1 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins current valid General Terms and Conditions

(AGB),Testing and Certification Regulations (PZO) which can be viewed on following website wwweurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862 Sincerely, Li ji Dugony Name/Title: Zijia Ouyang/Manager Company: Shenzhen TwoTrees Technology Co., Ltd. Address: Room 402,Building 11,No.9 Qilin Road,Nankeng Community Bantian Street Longgang District Shenzhen China Phone: 86 13580826087 Fax: N/A E-Mai ceo@twotrees3dprinter.com

VOS

91 1(d)(7)-|

48 [model] US Agent Shenzhen TwoTrees Technology Co., Ltd. Room 402, Building 11, No.9 Qilin Road, Nankeng Community Bantian Street, Longgang District, Shenzhen, Guangdong, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023/10/17 U.S. Agent Designation Shenzhen TwoTrees Technology Co., Ltd. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought

(FCC ID: 2A7F8-SK1):

Name and company of U.S. agent: AOCE Corporation Inc. Physical U.S. address of agent: 6547 N Academy Bivd #2266 Springs, CO 80918 United States FRN of U.S. agent: 0033401381 Email address of U.S. agent: wwbj2008@126.com AOCE Corporation Inc. acknowledges their obligation to accept service of process on behalf of Shenzhen TwoTrees Technology Co., Ltd. Shenzhen TwoTrees Technology Co., Ltd. with the FRN [0032547531] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 DO1. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Zifta Duyany Signature Signature Zijia Ouyang Johnson Wang Manager PM Shenzhen TwoTrees Technology Co., Ltd. AOCE Corporation Inc.