 The inherent imprecision in attempting to restrike on exactly the same spot after a carriage return provides the same effect as the more expensive servo-based printers, with the unique side effect that as the printer ages and wears, bold text becomes bolder.Like all other impact printers, daisy wheel printers are noisy.Most daisy-wheel printers could print a line and then, using built-in memory, print the following line backwards, from right to left.