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18 TM-T20 User’s Manual
English
Specifications
80 mm paper width 58 mm paper width
*1
Printing method Thermal line printing
Dot density 203 dpi × 203 dpi [dots per 25.4 mm {1"}]
Printing direction Unidirectional with friction feed
Printing width Default 72.1 mm {2.84"}, 576 dot positions 52.6 mm {2.07"}, 420 dot positions
42 column
mode
*2
68.3 mm {2.69"}, 546 dot positions 47.3 mm {1.86"}, 378 dot positions
Characters per
line
Default Font A: 48; Font B: 64 Font A: 35; Font B: 46
42 column
mode
*2
Font A: 42; Font B: 60 Font A: 42; Font B: 31
Character
spacing
Default Font A, Font B: 0.25 mm {.01"} (2 dots)
42 column
mode
*2
Font A: 0.38 mm {.01"} (3 dots)
Font B: 0.25 mm {.01"} (2 dots)
Font A, Font B: 0.25 mm {.01"}
(2 dots)
Character sizes
Standard/
Double-height/
Double-width/
Double-width/
Double-height
Default Font A: 1.25 × 3.00/1.25 × 6.00/2.50 × 3.00/2.50 × 6.00 mm
Font B: 0.88 × 2.13/0.88 × 4.26/1.76 × 2.13/1.76 × 4.26 mm
42 column
mode
*2
Font A:
1.25 × 3.00/1.25 × 6.00/2.50 × 3.00/
2.50 × 6.00 mm
Font B:
0.88 × 2.13/0.88 × 4.26/1.76 × 2.13/
1.76 × 4.26 mm
Font A:
0.88 × 2.13/0.88 × 4.26/1.76 × 2.13/
1.76 × 4.26 mm
Font B:
1.25 × 3.00/1.25 × 6.00/2.50 × 3.00/
2.50 × 6.00 mm
Character
structure
Default Font A: 12 × 24 (including 2-dot horizontal spacing)
Font B: 9 × 17 (including 2-dot horizontal spacing)
42 column
mode
*2
Font A: 13 × 24 (including 3-dot
horizontal spacing)
Font B: 9 × 17 (including 2-dot
horizontal spacing)
Font A: 9 × 17 (including 2-dot
horizontal spacing)
Font B: 12 × 24 (including 2-dot
horizontal spacing)
Number of characters Alphanumeric characters: 95; International character sets: 18 sets
Extended graphics: 128 × 43 pages (including user defined page)
Printing speed 150 mm/s {5.91"/s} max.; 40 lps (3.75 mm {0.15"} feed)
Ladder bar code and 2D symbol: 100 mm/s {2.4"/s}
The above speed values are approximate.
The values are when the printer prints with density “Normal” at 25°C {77°F}.
Speed is adjusted automatically depending on the voltage applied and
head temperature.
Paper feed speed Approx. 150 mm/s {approx. 5.91"/s}
(continuous paper feed with the Feed button.)
Line spacing (default) 3.75 mm {0.15"}
Roll paper
(single-ply)
Width 79.5 mm ± 0.5 mm {3.13" ± 0.02"} 57.5 mm ± 0.5 mm {2.26" ± 0.02"}
Diameter Maximum outside diameter: 83 mm {3.27"}
Spool Spool diameter: Inside: 12 mm {0.47"}; Outside: 18 mm {0.71"}
Thermal paper type NTP080-80 NTP058-80
Interface Serial (RS-232)/Ethernet (10BASE-T/100BASE-TX)/USB [Compliance:
USB 2.0, Communication speed: Full-speed (12 Mbps)]
Receive buffer 4KB/45 bytes
Cash drawer function 2 drives