Seiko LTPH245, Техническое описание

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3-1
3
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)
1
450 dot lines/s (56.25 mm/s) (at 7.2 V)
1
500 dot lines/s (62.5 mm/s) (at 8.0 V)
1
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
V
P
line (for head and motor drive)
V
dd
line (for head logic)
4.2 V to 8.5 V
7
(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 (V
P
)
For driving the motor (V
P
)
For head logic (V
dd
)
Average:
1.5 A (at 5 V), 2.2 A (at 7.2 V), 2.6 A (at 8.5 V)
2
Maximum:
1.6 A (at 5 V), 2.3 A (at 7.2 V), 2.7 A (at 8.5 V)
2
Maximum 0.46 A
Maximum 0.01 A
1
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.
2
When the number of simultaneously activated dots is specified as 64.
CHAPTER