%1.6 Operational Specifications1.6 OPERATIONAL SPECIFICATIONS1.6.01 Character Matrix SizesTable of Print Speed and Character MatrixPrint Speed at Different CPI for the ML 520/521Mode CPI CPS Horiz. DPI Vert DPI IPSHSD 10 427 90 72 42.712 427 108 72 35.615 427 135 72 28.517.1 427 154 72 25.020 427 180 72 21.4Utility 10 320 120 72 3212 320 144 72 26.715 320 180 72 21.317.1 320 206 72 18.620 320 240 72 16.0LQ 10 80 240 144 16.012 80 288 144 13.315 80 360 144 13.317.1 80 412 144 9.3220 80 480 144 8.01.6.02 Characters Per LineMicroline 520ML520/521 ( 96-02-04 )