This section provides an overview for platen rollers as well as their applications and principles. Also, please take a look at the list of 4 platen roller manufacturers and their company rankings.
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A platen roller is a roller used in printers, copiers, and other printing machines that print using a thermal head. It is used as a component responsible for feeding paper and crimping it to the thermal head. Generally, resin is molded around a metal core. If this platen roller is dirty, paper feed problems, such as paper jamming or two sheets being pulled in at the same time, as well as printing defects, can occur, so periodic cleaning is necessary.
Platen rollers are used in printing presses with thermal printing mechanisms that use a thermal head to feed paper and crimp to the thermal head. Platen rollers are indispensable parts for machines ranging from printers for general home use to large multifunction printers used in offices, etc., that use thermal heads. A familiar example is a printing machine that prints receipts. On the other hand, printing machines that do not use thermal heads, such as inkjet printers, are not equipped with platen rollers.
Platen rollers comprise a bar-shaped metal core with resin molded around it. Most of those molded around them are made of rubber material, but some are made of various resins to suit the intended use.
The reason why rubber materials are most common is due to the following two functions of platen rollers:
In order to fulfill the above functions, rubber material is often used because it requires moderate frictional force to convey paper and uniform force distribution to press the paper against the thermal head used for printing. In addition, because it is a component that performs these functions, regular maintenance of the platen rollers is important. Dust adhesion and roller deterioration can cause problems such as "frictional force decreases, preventing normal paper feeding," or "two sheets of paper are fed on top of each other."
Basically, the instruction manuals for printing presses that use platen rollers indicate the approximate number of sheets that need to be printed, so it is important to check these guidelines carefully and perform maintenance such as regularly wiping dirt and debris off the rollers with a cloth moistened with a small amount of alcohol. This will help to maintain printing quality.
*Including some distributors, etc.
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