| English term or phrase: As an important aside | All P5000 printers have two eleven inch rendered print buffers. Never three or four, but two. And, all printers have sufficient memory as to be able to comfortably accommodate these two print buffers. As the controller reads the incoming data, it builds an eleven inch buffer of rendered data and begins printing. It then starts working on rendering the second buffer. As soon as the first buffer is completed printing, it switches to printing from the second and starts rendering again into the first. All it does is switch back and forth between the two buffers. Even if a page is bigger than eleven inches, the printer only renders it in eleven inch chunks. Because the printer is a continuous line printer, there is no reason or benefit to rendering the entire image at once. All that is necessary is that at any one moment in time, the very next row of dots is ready to print. ****As an important aside****, it should be noted that the older line matrix printers had only enough memory to store two rows of print data. The row that is currently printing and the next one that is being rendered. That equates to a very small number of around 612 bytes. Yet, these printers had no problem keeping the print engine running at full speed.
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