On a DMP2000 or FX80 it would directly select n/72 inch line spacing (n=0..85) (without needing to execute subsequent ESC "2")
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|1B 43 (00 ) n ||27 67 (0 ) n ||ESC "C" (NUL ) n ||Feed|Select page Page length in lines or inches (n=1..22)|-|1B 43 n ||27 67 n ||ESC "C" n ||Feed|Select page length in 127 lines (n=, or 00h,1..12722 inch)
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|1B 44 .. 00 ||27 68 .. 0 ||ESC "D" .. NUL ||Tab