Epson T88IV user manual Specifications

Specifications

		58mm paper width model	80mm paper width model
Printing method		Thermal line printing
Dot density		180 dpi ×180 dpi [dots per 25.4 mm {1"}]
Printing direction		Unidirectional with friction feed
Printing width		50.8 mm {2.0"}, 360 dot positions	72 mm {2.83"}, 512 dot positions
Characters per line		Font A: 30; Font B: 40	Font A: 42; Font B: 56
(default)		Special Font A: 30; Special Font B; 30	Special Font A: 42; Special Font B; 42
		(only for South Asian model)	(only for South Asian model)
Character spacing		Font A: 0.28 mm {.01"} (2 dots), Font B: 0.28 mm {.01"} (2 dots)
(default)		Special Font A (only for South Asian model): 0.28 mm {.01"} (2 dots)
		Special Font B (only for South Asian model): 0.28 mm {.01"} (1 dot)
Character size		Standard/Double-height/Double-width/Double-width and Double-height
		Font A: 1.41 × 3.39/1.41 × 6.77/2.82 × 3.39/2.82 × 6.77 mm
		Font B: 0.99 × 2.40/0.99 × 4.80/1.98 × 2.40/1.98 × 4.80 mm
		For South Asian model*1:
		Font A and Special Font A:
		1.41 × 3.39 (1.41 × 10.16)/1.41 × 6.77(1.41 × 20.32)/2.82 × 3.39 (2.82 × 10.16)
		/2.82 × 6.77 (2.82 × 20.32) mm
		Font B: 0.99 × 2.40 (0.99 × 7.20)/0.99 × 4.80 (0.99 × 14.39)/1.98 × 2.40 (1.98 ×
		7.20)/1.98 × 4.80 (1.98 × 14.39) mm
		Special Font B: 0.99 × 3.39 (0.99 × 10.16)/0.99 × 6.77 (0.99 × 20.32)/1.98 ×
		3.39 (1.98 × 10.16)/1.98 × 6.77 (1.98 × 20.32) mm
Character structure		Font A (default): 12 × 24; Font B: 9 × 17 (including 2-dot horizontal spacing)
		For South Asian model*1:
		Font A (default): 12 × 24 (12 × 72); Font B: 9 × 17 (9 × 51)
		Special Font A: 12 × 24 (12 × 72); Special Font B: 9 × 24 (9 × 72)
Number of characters		Alphanumeric characters: 95; International characters: 1
		Extended graphics: 128 × 1 table
		For South Asian model:
		Thai characters: 128 × 3 pages (133 character types)
		Vietnam characters: 128 × 2 pages (135 character types)
Printing speed		High-speed mode:
		200 mm/s {7.9"/s} max.; 47.2 lps (4.23 mm {1/6"} feed)
		Ladder bar code and 2D code: 100mm/s {2.4"/s}
		Low-power consumption mode:
		150 mm/s {5.9"/s} max.; 35.5 lps (4.23 mm {1/6"} feed)
		Bit image, Ladder bar code, 2D code and Page mode: 60mm/s {2.4"/s}
		The above speed values are approximate.
		The values are when the printer prints with density "Normal" at 24 V and 25°C
		{77°F}
		Speed is adjusted automatically depending on the voltage applied and head
		temperature.
Paper feed speed		Approx. 200 mm/s {approx. 7.9"/s} continuous paper feed
Line spacing (default)		4.23 mm {1/6"}
Roll paper	Width	57.5 mm ± 0.5 mm {2.26" ± 0.02"}	79.5 mm ± 0.5 mm {3.13" ± 0.02"}
(single-ply)
	Diameter	Maximum outside diameter:83 mm {3.27"}
	Spool	Spool diameter:Inside: 12 mm {0.47"}; Outside: 18 mm {0.71"}
Thermal paper type		NTP058-80	NTP080-80

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