1. The original business license of the enterprise is in A3 paper size and can be copied to A4 paper through the reduction function of the copier. 2. The all-in-one laser printing and copying machine can copy the original business license of the enterprise into A4 paper size. The specific operations are as follows: 1. Turn on the all-in-one laser printing and copying machine, which generally defaults to the copy state; 2. Put the business license into the copy area; 3. , select the "Auto Reduce/Enlarge" function under "Full Size"; 4. Select "A4" under "Auto Paper Selection"; 5. Press the "Start" or "Copy" button. A business license is a certificate issued by the industrial and commercial administration authority to industrial and commercial enterprises and self-employed individuals allowing them to engage in certain production and business activities. Its format is uniformly stipulated by the State Administration for Market Regulation. The registration matters are: name, address, person in charge, amount of funds, economic composition, business scope, business method, number of employees, business period, etc. The business license is divided into original and duplicate, both of which have the same legal effect. The original copy shall be placed in a conspicuous place at the company's residence or business premises, and the business license shall not be forged, altered, rented, lent or transferred. Industrial and commercial enterprises or self-employed individuals without a business license are not allowed to open their business. They are not allowed to engrave official seals, sign contracts, register trademarks, or publish advertisements. They are not allowed to open bank accounts. On September 28, 2018, the country’s first batch of 11 business licenses and 1 industrial product production license were issued in the Yangtze River Delta G60 Science and Technology Innovation Corridor. Starting from March 1, 2019, a new version of business license will be launched nationwide. On April 1, 2019, six departments including the Beijing Municipal Administration for Market Regulation issued the "Notice on Improving the Efficiency of Business Start-up", which showed that if applicants handle business through the "e-window" platform, the market supervision department will approve it and submit it to the enterprise within one day. An electronic business license is issued and other matters are processed in parallel within 24 hours, and the enterprise can meet the operating conditions in 2-3 days.

Legal basis: "Law of the People's Republic of China on Sole Proprietorship Enterprises" Article 12 The registration authority shall, within 15 days from the date of receipt of the establishment application documents, register , be registered and issued a business license; those that do not meet the conditions stipulated in this Law shall not be registered and shall be given a written reply stating the reasons.