KF3004-GM50A
Printhead
Thick film thermal printhead
(with thermal historical control)
KF3004-GM50A
GM50 series is the new product that newly added the future history control and driver LSI which has the function of
thermal historical control, to GL50 series which is employing the conventional thick-film fast response thermal element.
!
!!
!Applications
High speed label printer
High speed bar code printer
High speed ticket printer
Various high speed terminal printers
!
!!
!Features
1) Newly developed thick-film fast response thermal element and driver LSI with the function of thermal history control
which is added the future history control are employed for this series. It is possible to print with super high speed of 10
inches / s or 250 mm / s.
2) 150km life realized by attributing durable new protection film.
3) New partial glaze construction makes it compatible with the thermal transfer application.
4) Market-proven G-series printhead construction ensures high reliability.
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!!
!External dimensions (Units : mm)
φ20
Max.12
40
±
0.3
Max.45
Max.5.5
(5)
6.1±0.4
15±0.3
17.8±0.2
7.3±0.3
15.3±0.3
14.208±0.2
80±0.3
95±0.3
(20.8)
25±0.5
118
Dot #1
(3)
Max.36
(4.792)
Dot #1280
108.416(Effective Print Width)
LABEL 3-M3(Effective Depth 3)
φ3H10 (Effective Depth 3)
φ3H10 Length 4 (Effective Depth 3)
(19)
#1
#6
#20
#19 CONNECTOR B
#1
#2
CONNECTOR A
KF3004-GM50A
Printhead
!
!!
!Equivalent circuit
V
H
(COM)
LATCH REGISTER
THERMISTOR
30kΩ B : 3950
TO EACH IC
DI,STB DIVISION DOT No. CORRESPONDENCE
Fig.1
GND
VDD(+5)
/ RESET
CLKIN2
DI1
DO1
CLKOUT2
DI2
CLKIN1
DO2
/ LOAD
/ STB2
/ STB1
START
INC
SEL2
TM
SEL1
TM
DOT #1280 DOT #1
DI No.
DI2 1280~641
640~ 1
DI1
DOT No. / STB No.
/ STB2 1280~641
640~ 1
/ STB1
DOT No. CLK No.
CLKIN2 1280~641
640~ 1
CLKIN1
DOT No.
100µF×2
35V
0.1µF
50V
!
!!
!Pin assignments
1VDD
VDD
SEL2
SEL1
CLKIN2 (CP)
NC
DI2
DI1
INC
/ LOAD
/ RESET
START
DO1
DO2
TM
TM
/ STB2
/ STB1
CLKOUT2
CLKIN1
2
3
4
5
6
7
8
9
10
18
19
20
11
12
13
14
15
16
17
CircuitNo.
1V
H (COM)
VH (COM)
VH (COM)
GND
GND
GND
2
3
4
5
6
CircuitNo.
No. Circuit
CONNECTOR BCONNECTOR A
KF3004-GM50A
Printhead
!
!!
!Characteristics
Parameter
−
Rave
V
H
P
O
108.416
0.0847
1280
1250
24
0.408
0.41
0.260
1280
8
φ20.0
−
−
SLT
T
ON
−
−
mm
mm
dots
Ω
V
W/dot
ms
ms
dots
MHz
mm
−
150/(1×10
8
)
5~45
−
−
km/pulses
°C
Effective printing width
Symbol Typical Unit
Average resistance value
Dot pitch
Total dot number
Pulse width
Maximum number of dots energized simultaneously
Maximum clock frequency
Maximum roller diameter
Running life / pulse life
Operating temperature
Applied power
Applied voltage
Print cycle
!
!!
!Data sheets
ENERGY (mJ/dot)
Fig.2 Representative density curve
OPTICAL DENSITY
SLT : 0.82ms/line
0.180.12 0.14 0.160.08 0.100.04 0.06
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.00 0.02
SCANNING LINE TIME (ms)
Fig.3 Maximum energy curve
SUPPLY ENERGY (Max.) (mJ/dot)
0.3 0.50.4 0.70.6 0.8 0.9 1.0 1.1
0.7
0.6
0.4
0.5
0.2
0.3
0.1
0.0
Level6
Level5
Level4
Level3
Level1
Level2
