To solve the problem of printing odor, you can take the following measures:

(1) Choose environmentally friendly inks: Choose low-odor or odorless environmentally friendly inks. These inks are usually made of non-toxic or low-toxic raw materials, which have less impact on the environment and human health.

(2) Improve ventilation conditions: Maintain good ventilation conditions during the printing process to help reduce the accumulation of ink odor. Ventilation equipment, such as exhaust fans, air purifiers, etc., can be installed to improve air circulation.

(3) Control the ink temperature: The ink is easy to release more odor at high temperature, so the odor can be reduced by controlling the temperature of the ink. During the printing process, try to keep the temperature of the ink within a suitable range.

(4) Strengthen cleaning and maintenance: regular cleaning and maintenance of printing equipment, especially the ink transfer system and printing parts. Clean up the residual ink and dirt in time to prevent them from decomposing in the equipment to produce peculiar smell.

(5) Training operators: Training operators to make them understand the source and solution of printing odor. Operators can reduce the generation of odors through proper operation and maintenance.

(6) Choose the right printing material: Some printing materials may release peculiar smell during the printing process, so it is also important to choose the right printing material. Low odor or odorless materials can be selected to reduce the generation of odors.

How to choose environmentally friendly ink
When choosing environmentally friendly inks, you can consider the following factors:

1. Environmental certification: check whether the ink has obtained the relevant environmental certification, such as green logo, environmental protection logo, etc. These certifications usually indicate that the ink meets certain environmental standards.

2. Ingredients: Understand the composition of the ink and choose the ink made of low-toxic or non-toxic raw materials. Avoid using inks that contain harmful substances, such as volatile organic compounds (VOCs), heavy metals, etc.

Printing effect: The printing effect of environmental protection ink should be equivalent to that of traditional ink, and the printing quality should not be sacrificed because of the pursuit of environmental protection. Suppliers may be required to provide samples for testing.

4. Supplier reputation: Choose ink suppliers with good reputation and reputation, they usually provide more reliable environmentally friendly ink products and technical support.

5. Application areas: Different application areas have different requirements for inks, and it is necessary to choose suitable environmentally friendly inks according to actual needs.

6. Cost: The price of environmentally friendly inks may be relatively high, but in the long run, choosing environmentally friendly inks can reduce the impact on the environment and human health, and may also comply with regulatory requirements and avoid potential legal risks.

When choosing environmentally friendly inks, you can fully communicate with suppliers to understand the performance, characteristics and application cases of the product in order to make a more informed choice.

By taking the above measures, the problem of printing odor can be effectively solved, and the quality and use experience of printed matter can be improved.