Before purchasing an impact printer, there are key considerations to be aware of to ensure it meets your specific needs. Impact printers use a striking mechanism to create characters on paper and are commonly used for tasks like printing invoices and multipart forms. One crucial factor is the print speed, as impact printers can vary significantly in how quickly they produce documents. Additionally, consider the print quality, which is often measured in dots per inch (dpi) and impacts the clarity of text and graphics. Another important aspect is the noise level, as impact printers tend to be noisier compared to other printer types due to their mechanical components. Assess the durability and reliability of the printer, especially if it will be used in high-volume environments. Connectivity options, such as USB or parallel ports, should align with your setup. Understanding these factors will guide you in selecting an impact printer that suits your printing requirements and environmental considerations.