Epson TM-T88 Series Technical Reference Manual page 75

Note:
1. The actual print character may be smaller than the size shown in the table above, because the above sizes include spaces in the font.
2. Characters can be scaled up to 64 times as large as the standard sizes shown above.
3. Character size not including the horizontal spacing in the standard scale is as follows:
<Auto scaling disabled>
Font A (standard):
Font A (double-width/double-height): 2.50 (W) × 6.00 (H) mm {0.10 (W) × 0.24 (H)"}
Font B (standard):
Font B (double-width/double-height): 1.75 (W) × 4.25 (H) mm {0.07 (W) × 0.17 (H)"}
<Auto scaling enabled>
40 mm width paper
Font A (standard):
Font A (double-width/double-height): 1.25 (W) × 3.00 (H) mm {0.05 (W) × 0.12 (H)"}
Font B (standard):
Font B (double-width/double-height): 1.75 (W) × 4.25 (H) mm {0.07 (W) × 0.17 (H)"}
58 mm width paper
Font A (standard):
Font A (double-width/double-height): 2.25 (W) × 6.00 (H) mm {0.09 (W) × 0.24 (H)"}
Font B (standard):
Font B (double-width/double-height): 1.75 (W) × 4.25 (H) mm {0.07 (W) × 0.17 (H)"}
1.25 (W) × 3.00 (H) mm {0.05 (W) × 0.12 (H)"}
0.88 (W) × 2.13 (H) mm {0.03 (W) × 0.08 (H)"}
0.88 (W) × 2.13 (H) mm {0.03 (W) × 0.08 (H)"}
0.88 (W) × 2.13 (H) mm {0.03 (W) × 0.08 (H)"}
1.125 (W) × 3.00 (H) mm {0.04 (W) × 0.12 (H)"}
0.88 (W) × 2.13 (H) mm {0.03 (W) × 0.08 (H)"}
Appendix
75