2AVDG-RAYLaser Engraver and Cutter

Copyright © 2023 Snapmaker. All rights reserved. This language version of the manual is verified by the manufacturer (Original Instruction). No part of this publication, including pictures, may be reproduced or made public, whether by printing, photocopying, microfilm, or by any other means whatsoever without the prior written permission of Snapmaker. 01 Before You Start 1.1 Disclaimer Make sure that anyone who uses this product knows and understands the contents of the Quick Start Guide. Failure to observe this guide may lead to personal injury, inferior results, or damage to the Snapmaker products. Snapmaker does not assume responsibility and expressly disclaims liability for any personal injury, inferior results, or damage to the product arising out of or in connection with your improper operations or failure to follow the instructions of the guide. When using Snapmaker products, you should comply with the following requirements: ◦ Follow the instructions of this guide, the applicable laws and regulations, and the safety regulations in the assembly, handling, storage, use, maintenance, or disposal of this product. ◦ Ensure there is no infringement on any third-party intellectual property rights or violation of any applicable laws or regulations when making objects using this product. The conditions or methods of using Snapmaker products are beyond the control of Snapmaker. For this reason, Snapmaker does not assume responsibility and expressly disclaims liability for any consequences resulting from: ◦ your improper methods, failure to follow the instructions of this guide or impacts of other uncertain factors when operating this product; ◦ your infringement on any third-party intellectual property rights or violation of any applicable laws or regulations when making objects using this product; ◦ personal injury, inferior results, or damage to the product arising out of or in connection with the assembly, handling, storage, use, maintenance, or disposal of this product. This manual is provided for reference purposes only. We do not warrant the absolute accuracy or completeness of the information provided by this manual. No part of this guide may be reproduced, edited, or revised by any means without the prior written permission of Snapmaker. We reserve the right to modify or revise this manual in our sole discretion at any time without notice. You can download the most up-to-date version of this manual at our Support Center (https://support.snapmaker.com/): select Snapmaker Ray > Quick Start Guide. 1.2 Intended Use The Snapmaker Ray laser engraving and cutting machine offers exceptional laser engraving and cutting performance and should be used in accordance with the product manual to achieve its intended purpose. When using this product to create items, it is the user's responsibility to ensure that the application of the created items complies with the intended purpose, especially for applications that are subject to strict control. 1.3 Safety Information 1.3.1 General Safety ▪ Follow the applicable local laws and regulations in the operation and application of this product. ▪ Follow the instructions of the guide to use and maintain this product for safety purposes. ▪ Do not expose this machine to rain or wet conditions. ▪ Always operate this machine indoors on a solid horizontal table or workbench. ▪ Minors are only allowed to use this product under adult supervision and assistance. ▪ Ensure that bystanders also read and understand all the safety notes of this product and keep bystanders away while operating this product for safety purposes. ▪ Stay alert, watch what you are doing, and pay attention to the surrounding environment when operating this product. ▪ Do not use this product while you are tired or under the influence of drugs, alcohol, or medication. ▪ Do not reach inside the product or touch the moving parts while the product is still in operation. ▪ Do not leave the product unattended while it is still powered on. ▪ Always unplug the power cable from the electrical outlet before performing maintenance or modifications. In all EU member states and the UK, operation of 5150-5250 MHz is restricted to indoor use only. Turn off the machine immediately and stop using this product if any of the following occurs: ▪ You smell burning in this product at any point. ▪ You see any damage to the interior components of this product. ▪ The machine stops working unexpectedly. ▪ Unusual lights, sparks, or sounds come out of this product which has never occurred previously. 1.3.2 Laser Safety ▪ This product is a Class 4 laser product. When you use this product correctly and in combination with the Enclosure, the overall laser classification of this product is Class 1. ▪ You should operate this product only if you have sufficient knowledge of (i) the physical properties of laser radiation, (ii) Laser Hazard Classes and associated health implications, and (iii) safety measures. ▪ The product is recommended to be used together with the Enclosure. When correctly assembled, the Enclosure helps to prevent the risk of laser leakage during the laser process by effectively filtering laser radiation and pausing the ongoing job if the Enclosure door is opened. ▪ An air purifier should be used depending on the type and constituent of the materials you are going to use, as some materials may release hazardous and toxic fumes when laser engraved or cut. Ensure that the air purifier you choose is effective enough to protect human health and prevent environmental pollution. ▪ Do not directly look at or touch the laser aperture or expose yourself to the laser beam during operation. ▪ Ensure that there is no reflective material within the work area during operation, as it may cause scattered radiation and pose safety risks. ▪ Ensure that there is no flammable and explosive material within the work area or around the machine during operation, as it may cause a fire. 1.3.3 Enclosure Safety ▪ To move the Enclosu…

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Shenzhen Snapmaker Technologies Co., Ltd. 4F, Building 13, Pingshan 1st Road, Nanshan District, Shenzhen, Guangdong, China Tel: 0755-26926117 Email: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 08/09/2023 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: 2AVDG-RAY Shenzhen Snapmaker Technologies Co., Ltd. certifies that as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Signature: Contact Person: Sofia JI Title: Certification Engineer

Shenzhen Snapmaker Technologies Co., Ltd. 4F, Building 13, Pingshan 1st Road, Nanshan District, Shenzhen, Guangdong, China Tel: 0755-26926117 Email: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 08/09/2023 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: 2AVDG-RAY Shenzhen Snapmaker Technologies Co., Ltd. certifies that the equipment for which authorization is sought, is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Signature: Contact Person: Sofia JI Title: Certification Engineer

U.S. AGENT LETTER OF ATTESTATION Date: 2023-08-09 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: 2AVDG-RAY Shenzhen Snapmaker Technologies Co., Ltd. certifies that, as of the date of the filing of the application, Iconsigh Inc. is our designated U.S. agent for service of process for the above referenced FCC ID. Shenzhen Snapmaker Technologies Co., Ltd. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Iconsigh Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: Iconsigh Inc. Address: 2310 Homestead Road, Suite C1, Los Altos, CA, 94024, USA FRN: 0033398652 Tel.: +1 (408) 320-9867 Email: [email protected] Signed by (printed name): Benjamin Kaur Signature: Applicant: Shenzhen Snapmaker Technologies Co., Ltd. Address: 4F, Building 13, Pingshan 1st Road, Nanshan District, Shenzhen, Guangdong, China FRN: 0032551707 Tel: 0755-26926117 Email: [email protected] Signed by (printed name): Sofia JI Signature:

Shenzhen Snapmaker Technologies Co., Ltd. 4F, Building 13, Pingshan 1st Road, Nanshan District, Shenzhen, Guangdong, China Tel: 0755-26926117 Email: [email protected] QA-FR-170-B 7/29/2014 FCC Authorization Date: 2023-08-09 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We Shenzhen Snapmaker Technologies Co., Ltd., the undersigned, hereby authorizes China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Sofia JI Certification Engineer

Shenzhen Snapmaker Technologies Co., Ltd. 4F, Building 13, Pingshan 1st Road, Nanshan District, Shenzhen, Guangdong, China Tel: 0755-26926117 Email: [email protected] FCC Confidential Authorization Date: 2023-08-09 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AVDG-RAY In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Shenzhen Snapmaker Technologies Co., Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Sofia JI Certification Engineer

Shenzhen Snapmaker Technologies Co., Ltd. 4F, Building 13, Pingshan 1st Road, Nanshan District, Shenzhen, Guangdong, China Tel: 0755-26926117 Email: [email protected] Product Similarity Declaration FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-08-09 Dear Sir/Madam, We, Shenzhen Snapmaker Technologies Co., Ltd. hereby declare that we have a product named as Laser Engraver and Cutter (model: Ray, FCC ID: 2AVDG-RAY) were tested by China Certification ICT Co., Ltd (Dongguan), Meanwhile, for our marketing purpose, we would like to list a series model (Ray Max, Ray Pro, Ray Pro Max, Ray Plus, Ray+, Ray Mini, Ray Air, Ray 2, Ray 3, Ray 4, Ray 5, Ray SE, Ray Bundle, Ray Max Bundle, Ray Pro Bundle, Ray Pro Max Bundle, Ray Plus Bundle, Ray+ Bundle, Ray Mini Bundle, Ray Air Bundle, Ray 2 Bundle, Ray 3 Bundle, Ray 4 Bundle, Ray 5 Bundle, Ray SE Bundle) on reports and certificate. All the models are identical in electrically, the difference among them is just the model name. No other changes were made to them. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Sincerely Yours, Signature: Sofia JI Certification Engineer

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 1 of 16 EUT EXTERNAL PHOTOGRAPHS Controller China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 2 of 16 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 3 of 16 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 4 of 16 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 5 of 16 Air Pump China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 6 of 16 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 7 of 16 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 8 of 16 Load China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 9 of 16 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 10 of 16 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 11 of 16 20W Laser Module China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 12 of 16 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 13 of 16 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 14 of 16 40W Laser Module China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 15 of 16 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-EXP Page 16 of 16

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China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 1 of 30 EUT INTERNAL PHOTOGRAPHS Controller China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 2 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 3 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 4 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 5 of 30 ANT China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 6 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 7 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 8 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 9 of 30 Air Pump China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 10 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 11 of 30 Load China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 12 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 13 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 14 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 15 of 30

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 16 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 17 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 18 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 19 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 20 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 21 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 22 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 23 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 24 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 25 of 30 20W Laser Module China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 26 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 27 of 30 40W Laser Module China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 28 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 29 of 30 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-INP Page 30 of 30

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-00M1 Page 63 of 66 5. RF EXPOSURE EVALUATION 5.1 MPE-Based Exemption 5.1.1 Applicable Standard According to §1.1307(b)(3)(i) (C) Or using Table 1 and the minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. For the exemption in Table 1 to apply, R must be at least λ/2π, where λ is the free-space operating wavelength in meters. If the ERP of a single RF source is not easily obtained, then the available maximum time-averaged power may be used in lieu of ERP if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). Table 1 to § 1.1307(b)(3)(i)(C) - Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 . 1.34-30 3,450 R 2 /f 2 . 30-300 3.83 R 2 . 300-1,500 0.0128 R 2 f. 1,500-100,000 19.2R 2 . 5.1.2 Measurement Result Operation Modes Frequency (MHz) λ/2π (mm) Distance (mm) Exemption ERPMaximum Conducted Power including Tune-up Tolerance (dBm) Antenna Gain (dBi) ERP (dBm) MPE- Based Exemption (mW)(dBm) Wi-Fi 2412-2462 19.88 200 768 28.85 19 1.15 18.00 Compliant Note: The Maximum Conducted Power including Tune-up Tolerance was declared by manufacturer. Result: The device compliant the MPE-Based Exemption at 20cm distances.

TEST REPORT Applicant: Shenzhen Snapmaker Technologies Co., Ltd. Address: 4F, Building 13, Pingshan 1st Road, Nanshan District, Shenzhen, Guangdong, China FCC ID: 2AVDG-RAY IC: 26217-RAY HVIN: Ray Product Name: Laser Engraver and Cutter Standard(s): 47 CFR Part 15, Subpart C(15.247) RSS-247 Issue 2, February 2017 RSS-Gen, Issue 5, February 2021 Amendment 2 ANSI C63.10-2013 KDB 558074 D01 15.247 Meas Guidance v05r02 The above equipment has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR230741945-00M1 Date Of Issue: 2023/10/25 Reviewed By: Calvin Chen Title: RF Engineer Approved By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-00M1 Page 2 of 66 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-00M1 Page 3 of 66 CONTENTS T EST FACILITY .......................................................................................................................................... 2 DECLARATIONS .......................................................................................................................................... 2 DOCUMENT REVISION HISTORY .......................................................................................... 5 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 8 1.2.2 Support Equipment List and Details .............................................................................................................. 8 1.2.3 Support Cable List and Details ...................................................................................................................... 8 1.2.4 Block Diagram of Test Setup ......................................................................................................................... 9 1.3 MEASUREMENT UNCERTAINTY ........................................................................................................ 10 2. SUMMARY OF TEST RESULTS .......................................................................................... 11 3. REQUIREMENTS AND TEST PROCEDURES .................................................................. 12 3.1 AC LINE CONDUCTED EMISSIONS .................................................................................................... 12 3.1.1 Applicable Standard ..................................................................................................................................... 12 3.1.2 EUT Setup.................................................................................................................................................... 14 3.1.3 EMI Test Receiver Setup ............................................................................................................................. 14 3.1.4 Test Procedure ............................................................................................................................................. 15 3.1.5 Corrected Amplitude & Margin Calculation ................................................................................................ 15 3.2 RADIATED SPURIOUS EMISSIONS ...................................................................................................... 16 3.2.1 Applicable Standard ..................................................................................................................................... 16 3.2.2 EUT Setup.................................................................................................................................................... 16 3.2.3 EMI Test Receiver & Spectrum Analyzer Setup ......................................................................................... 17 3.2.4 Test Procedure ............................................................................................................................................. 17 3.2.5 Corrected Amplitude & Margin Calculation ................................................................................................ 18 3.3 MINIMUM 6 DB BANDWIDTH: ........................................................................................................... 19…

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China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-00-TSP TEST SETUP PHOTOGRAPHS Conducted Emissions Front View Conducted Emissions Side View China Certification ICT Co., Ltd (Dongguan) Report No.: CR230741945-00-TSP Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View