Epson TM-U220 TM-U220 Technical Reference Guide - Page 20
Printing and paper Specifications
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1.5 Printing and paper Specifications Printing method: Serial impact dot matrix Head wire configuration: 9-pin serial configuration Printing direction: Bidirectional printing (logic seeking) Print speed: *1 Approximately 4.7 lps (printing 40 columns per line at 16 cpi) Approximately 6.0 lps (printing 30 columns per line at 16 cpi, with 1/8" line spacing) (except data transmission and processing time) Paper width: 76 mm / 69.5 mm / 57.5 mm {3.00"/2.74"/2.26"} Printing width: 63.4 mm / 57 mm / 47.5 mm {2.50" / 2.24" / 1.87"} Dot positions depend on DIP switch setting. See the table "Dot width of Printable area" (page 1-7) for details. Characters per line: 35 (font A), 40 (font B, default) (When using 76mm width paper) Character spacing: ANK: 3 half dots (default) or 2 half dots. Kanji: 2 half dots (default) or 0 half dots. Thai: 3 half dots (default) or 2 half dots. The spacing of ANK and Thai characters is selectable by DIP SW2-1. The spacing of Kanji characters is selectable by ESC/POS command. Paper feed speed: 30 lps Line spacing (default): 4.23 mm {1/6"}, programmable by control commands. Number of characters: 95 alphanumeric, 48 international characters, Extended graphics: 128 12 pages. (15 tables for Japanese model) Multilingual character model supports printing with one of the following character sets: Japanese Kanji (Two-pass printing font) (JIS X0208-1990): 6879 Simplified Chinese (Two-pass printing font) (GB18030-2000): 28553 Traditional Chinese (Two-pass printing font) (Big 5): 13494 Korean Kanji (Two-pass printing font) (KS C5601 type): 8366 Thai (Three-pass printing font): 128 characters 7 pages (133 character types) Character structure: Font A: 9 9 Font B: 7 9 Kanji: 16 16 (Font B is the default) *1 This printer adjusts print speed when it prints graphic data, etc. 1-6 General Information Rev. H