LTPH245 datasheet(14/64 Pages) SII

14 / 64 page

3-1

SPECIFICATIONS

3.1

GENERAL SPECIFICATIONS

Table 3-1 General Specifications

Item

Specification

Print method

Thermal dot line printing

Dots per line

384 dots

Resolution

8 dots/mm

Print width

48 mm

Maximum printing speed

200 dot lines/s (25.0 mm/s) (at 5 V)

450 dot lines/s (56.25 mm/s) (at 7.2 V)

500 dot lines/s (62.5 mm/s) (at 8.0 V)

Paper feed pitch

0.125 mm

Head temperature detection

Via thermistor

Platen position detection

Via mechanical switch

Out-of-paper detection

Via photo interrupter

Operating voltage range

VP line (for head and motor drive)

Vdd line (for head logic)

4.2 V to 8.5 V

(equivalent to four through six Ni-Cd or Ni-MH

batteries, or two lithium-ion batteries)

4.5 V to 5.5 V

Current consumption

For driving the head (VP)

For driving the motor (VP)

For head logic (Vdd)

Average:

1.8 A (at 5 V), 2.6 A (at 7.2 V), 2.8 A (at 8.0 V)

Maximum:

2.1 A (at 5 V), 3.0 A (at 7.2 V), 3.3 A (at 8.0 V)

Maximum 0.46 A

Maximum 0.01 A

Maximum printing speed is attained with the following conditions:

When the driving voltage is 5 V, the character size is a 24-dot font, the line spacing is 16 dots, the temperature of

the head is 60

°C or more, and the number of simultaneously activated dots is 64 dots or less

When the driving voltage is 7.2 V, the temperature of the head is 40

°C or more, and the number of simultaneously

activated dots is 64 dots or less

When the driving voltage is 8.0 V, the temperature of the head is 30

°C or more, and the number of simultaneously

activated dots is 64 dots or less.

When the number of simultaneously activated dots is specified as 64.

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