Digital Printing: A Sustainable Alternative to Traditional Printing Methods
The concept of digital printing can be traced back to office copy machines developed in the 1970s which allowed for digital reproduction of documents. However, it was not until the 1990s that significant advances were made which enabled its systems to print at higher resolutions and speeds required for commercial applications. Early digital presses could only print on cut-sheet paper but continuous feed digital presses were introduced in the late 1990s. Throughout the 2000s, digital technology improved printing quality while costs reduced, making it competitive with conventional printing. Today, it is widely used across industries.
How It Works
In a Digital Printing the image is sent electronically rather than mechanically. It works by selectively applying ink only to the places where ink is desired through the use of electrophotography. The basic process involves using a laser to expose photos on a photoconductor drum or belt. The toner is then attached to the areas exposed by the laser beam and transferred directly to the paper without using printing plates. The paper passes through a fuser, which bonds the toner permanently. This process can be completed rapidly and on-demand according to print requirements.
Key Features of Digital Printing
- On-demand printing: Digital printing is well suited for short run or single printed items as it does not require setup time and can instantly print one or a few copies on demand. This helps reduce storage costs for unsold inventory.
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