Printing speed: ≤300 times per minute. Number of printed lines: T-type characters (axial arrangement) up to 13 lines, with a maximum of 20 characters per line; R-type characters (circumferential arrangement) up to 10 lines, with a maximum of 13 characters per line. Character size specifications: T-type characters: 1.5mm, 2.0mm, 2.5mm, 3.0mm(character width) X 3.5mm(character height) R-type characters: 3.5mm(character width) X 3.5mm, 4.5mm,5.5mm(character height) (Special fonts can be made as needed) Print spacing: ≥38mm (four sets of character wheels) ≥75mm (two sets of character wheels) Ink wheel specifications: Φ36* 32mm (standard configuration) Φ36* 40mm (maximum length) Power supply: AC220V±10V, 50/60Hz Power: 130W, 2A fuse weight: 2kg print head, 1kg control box