Postage marks can be printed on letters and parcels using

Postage marks can be printed on letters and parcels using a franking machine. A franking machine is a device that allows businesses and individuals to apply postage to their mail without the need for stamps or manual calculations. It works by calculating the correct postage amount based on the weight and destination of the mail, and then printing a unique postage mark directly onto the envelope or label. This mark includes important information such as the postage value, date, and location, and serves as proof of payment for the mailing. Using a franking machine can save time and money compared to buying and affixing stamps manually, and can also help to ensure accuracy and compliance with postal regulations. Overall, a franking machine is a useful tool for anyone who sends large volumes of mail and wants to streamline their postage processes.