Dots tone model number chart

 Number of lines per inch
27.530.032.542.550.055.060.065.070.085.0
Rate5%00102030405060708090
10%01112131415161718191
20%02122232425262728292
30%03132333435363738393
40%04142434445464748494
50%05152535455565758595
*In comics, No.61 is used most.