Epson TM-H6000IV with Validation Technical Reference Guide - Page 36
Electrical Characteristics, Print ratio
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Electrical Characteristics Supply voltage DC 24V ± 7% Ripple voltage: 300 mVpp or less (for models with MICR reader) Current consumption (when using the PS180 at 24V) Standby Operating Slip printing Receipt printing Mean: Approximately 0.1 A Mean: Approximately 1.7 A Mean: Approximately 1.8 A Note: When print ratio is approximately 18% • Continuous printing for 50 lines (repeating 20H-7FH) ∗ Font A, 42 columns, ASCII character • 5 line feeding • Autocutting 42 columns If printing is continuously performed with a high ratio, the overcurrent protection may be activated and result in uneven print density or a low voltage error. Therefore, the printing length must not exceed the following values when printing with high print ratio. Print ratio: Number of dots being energized per one dot line/Total number of dots per one dot line (512 dots) Print ratio 80% 100% Print example Print length 58 mm 30 mm 20 mm 72 mm 36