Citizen Systems iDP-3550 - Manual (Page 113)

ESC i
(iDP3551 Only)
[Function] Full cut
[Code] <1B>H<69>H
[Outline] This command fully cuts the paper.
ESC m
(iDP3551 Only)
[Function] Partial cut
[Code] <1B>H<6D>H
[Outline] This command partially cuts the paper.