ROHM SH3004-DC70A Technical data
SH3004-DC70A
Printhead
Near edge thermal printhead
(with thermal historical control)
SH3004-DC70A
SH-DC70 series was developed with two key structures step-free and near edge for the packaging printer market which
requires high speed continuous printing. It is suitable for printers in factory line where high speed 24 hours continuous
printing is required.
zApplications
Barcode printer
Label printer
Packaging printer
Ticket printer
Scale printer
ATM
zFeatures
1) ROHM new technology “STEP FREE” structure will provide, high corrosion resistance, better resistance against
scratching damage, high ef ficiency.
2) Head inclination by near-edge structure, applicable to the la rge -size pl aten. Re sin ty pe therma l-tran sfe r ink-ribb on can
be used.
3) High-hardness protect cote type “W-coat” is employed with 150km abrasion life-time.
4) A built in history-control functionality, high-speed printing up to 300mm / s can be ac hieved at 300dpi wit h clear print
image.
zExternal dimensions (Unit : mm)
(7.792)
MAX.51
Type of PRINTHEAD
(43)
31.0±0.5
φ3 H10
Effective Depth 3
#2
#1
CONNECTOR:A
10±0.2
14.208±0.3
40±0.3
124±0.5
108.416
#20
#19
100±0.2
80±0.3
CONNECTOR:B
#1#6
DOT No.1
Max.4.5
3-M3
Effective Depth 3
20.45±0.2
2.8±0.2
7.3±0.3
(21.2)
φ3 H10 Length 4
Effective Depth 3
DOT No.1
6±0.5
BU9630
Print Direction
Max.11
1/3
SH3004-DC70A
Printhead
zEquivalent circuit
VH (COM)
GND
VDD (+5)
/ STB2
/ STB1
BEO
/ RESET
220µF
35V
0.1µF
50V
DOT #1280 DOT #1
LATCH REGISTER
CLK (CP)
DI2
DI1
/ LOAD
START
INC
SEL2
SEL1
TM
TM
DI No.
DI2
DI1
DOT No.
1280 to 641
640 to 1
/ STB No.
/ STB2
/ STB1
zPin assignments
CONNECTOR : A CONNECTOR : B
No.
2
4
6
8
10
12
14
16
18
20
Circuit
BEO
DI2
CLK (CP)
START
DI1
SEL1
/STB2
TM
SENS1
SENS3
CircuitNo.
1 VH (COM)
VH (COM)
3
GND
5
11
13
15
17
19
CircuitNo.
1
3
5
7
9
V
DD
GND
GND
/LOAD
INC
SEL2
/RESET
/STB1
TM
SENS2
SHIFT
REGISTER
THERMISTOR
30kΩ B: 3950K
DOT No.
1280 to 641
640 to 1
2 VH (COM)
4
6
TO EACH IC
CircuitNo.
GND
GND
REGISTER
SHIFT
2/3
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