Specifications

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2.6 THERMAL PRINT HEAD
Because the thermal print head in the MTP Series is a thin film type with high
thermal efficiency, it has an excellent print quality. The CPU determines which
vertically placed heating units to energize, and drives them with the thermal head
driver (transistor array).
2.6.1 Head Specifications
Type of Head B Head G Head
Heating unit size
0.3
Dot 1
Dot 2
Dot 3
Dot 4
Dot 5
Dot 6
Dot 7
0.26
0.05
2.4
0.3
Dot 1
Dot 2
Dot 3
Dot 4
Dot 5
Dot 6
Dot 7
Dot 8
0.26
2.75
0.05
A rank 15.3±1Ω 17.6±1Ω
B rank 14.0±1Ω 16.0±1Ω
C rank 12.7±1Ω 14.4±1Ω
Head applied voltage
DC5.0±1V (at FPC terminal)
Peak current
(in simultaneous drive of
all dots ar 5.0 VDC)
3.0Amax. 3.0Amax.
Rated High sensitive
thermal paper
2.30mJ
Standard thermal
paper
2.50mJ
High sensitive
thermal paper
2.30mJ
Standard thermal
paper
2.50mJ
Max. 3.00mJ 3.00mJ
* The resistance value of each dot in the same head may have a 5% dispersion rate, and the average values
are indicated on the rank table above. Rank symbols are printed on the FPC.
Head applied
energy
(24°C, 5.0V)
Resistance
value*