ROHM SH3004

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 efficiency.
2) Head inclination by near-edge structure, applicable to the large-size platen. Resin type thermal-transfer ink-ribbon 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 achieved at 300dpi with clear print
image.
zExternal dimensions (Unit : mm)
DOT No.1
124±0.5
6±0.5
108.416
MAX.51
BU9630
Print Direc
tion
(7.792)
Max.4.5
Max.11
#20
#2
#6
#1
Type of PRINTHEAD
#1
CONNECTOR:A
#19
100±0.2
CONNECTOR:B
3-M3
Effective Depth 3
φ3 H10
Effective Depth 3
(21.2)
20.45±0.2
2.8±0.2
7.3±0.3
31.0±0.5
(43)
10±0.2
φ3 H10 Length 4
Effective Depth 3
14.208±0.3
40±0.3
80±0.3
DOT No.1
1/3
SH3004-DC70A
Printhead
zEquivalent circuit
DOT #1280
VH (COM)
DOT #1
220µF
35V
GND
0.1µF
50V
VDD (+5)
/ STB2
/ STB1
BEO
/ RESET
LATCH REGISTER
SHIFT
REGISTER
SHIFT
REGISTER
CLK (CP)
DI2
DI1
/ LOAD
START
TO EACH IC
INC
SEL2
SEL1
TM
TM
THERMISTOR
30kΩ B: 3950K
DI No.
DOT No.
/ STB No.
DI2
1280 to 641
/ STB2
DI1
640 to
/ STB1
1
DOT No.
1280 to 641
640 to
1
zPin assignments
CONNECTOR : A
CONNECTOR : B
No.
Circuit
No.
Circuit
No.
Circuit
No.
Circuit
1
VDD
2
BEO
1
VH (COM)
2
VH (COM)
3
GND
4
DI2
3
VH (COM)
4
GND
5
5
GND
6
GND
GND
6
CLK (CP)
7
/LOAD
8
START
9
INC
10
DI1
11
SEL2
12
SEL1
13
/RESET
14
/STB2
15
/STB1
16
TM
17
TM
18
SENS1
19
SENS2
20
SENS3
2/3
SH3004-DC70A
Printhead
zCharacteristics
Parameter
Symbol
Typical
Unit
Effective printing width
−
108.416
mm
Dot pitch
−
0.0847
mm
Total dot number
−
1280
dots
Rave
850
Ω
Average resistance value
Applied voltage
VH
24
V
Applied power
PO
0.57
W/dot
SLT
0.28
ms
Maximum number of dots energized simultaneously
−
1280
dots
Maximum clock frequency
−
8
MHz
Maximum roller diameter
−
φ50
mm
Running life / pulse life
−
150/(1×108)
km/pulses
Operating temperature
−
5 to 45
°C
Print cycle
3/3
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1