Epson TM-T88IV - Font Size

[JTRTech]

Are you using the ‘Ticket Printer’ setting for printer type?
Does the <L22> , <J12> , <C00> type codes not work where the numbers set the height/width size?
Not used this exact model but used the Digipos branded clones of the epson T88 machines and they take this formatting code ok?

Have you read the printer formatting post?

Printer Template Formatting Tags

##General <T> (Title) : When used it will format line as a title. <F> (Fill) : For example <F>- creates a line with - chars or <F>= creates a line with = chars. <EB> (Enable Bold) Prints everything Bold until <DB> command. <DB> (Disable Bold) Ends <EB> command <Jxy> (Justified) Justifies a line from pipe char. <J00>Total:|0.00 separates line from pipe (|) char. It aligns Total: part left and 0.00 part right. When used on a ESC/POS compatible ticket printer numeric parts sets font size. Fi…