Laser printers are a type of printer that are widely used in offices and schools.
- Shop POS printers
- Very fast printing
- Cheap to print out large volumes
- Due to the fusing process the toner does not run if the paper gets wet.
- More expensive to buy the printer than inkjet and the toner cartridges are more expensive to buy.
How a laser printer works
Raster image processing
In this step the document to be printed is converted to a page description language ready for previewing on the computer. This is then converted to a raster image specific to the printer’s needs and is then transmitted to the printer’s raster memory, ready for printing.
The raster image is similar to a bitmap file, showing what colour is to be printed at each exact position on the page.
In this step the
Cleaning and recharging
Past Paper Questions
June 17 Paper 11 Qn2