[Description]: The characters and graphics would be printed in n times to
normal width after this command set, the value of n should be within 1 to
8, default n=2.
4.2.3 ESC V n
[Name]: Enlarge height
[Format]: ASCII ESC V n
Hexadecimal 1B 56 n
Decimal 27 86 n
[Description]: The characters and graphics would be printed in n times to
normal height after this command set, the value of n should be within 1 to
8, default n=1.
4.2.4 ESC W n
[Name]: Enlarge width and height
[Format]: ASCII ESC W n
Hexadecimal 1B 57 n
Decimal 27 87 n
[Description]: The characters and graphics would be printed in n times to
normal height and width after this command set, the value of n should be
within 1 to 8, default n=1.
4.2.5 ESC – n
[Name]: Select/cancel underline
[Format]: ASCII ESC – n
Hexadecimal 1B 2D n
Decimal 27 45 n
[Description]: n=1, underline selected; n=0, underline canceled. The
printer can underline all characters including space when underline
selected.
[Reference]: ESC !
4.2.6 ESC + n
[Name]: Select/cancel up-line print
[Format]: ASCII ESC + n
Hexadecimal 1B 2B n
Decimal 27 43 n
[Description]: n=1, up-line selected; n=0, up-line canceled. The printer can