KF2003-GR40A

KF2003-GR40A Printheads Compact medium speed thick film thermal printhead (8dots / mm) KF2003-GR40A The KF2003-GR40A is ideal for applications that require compact, lightweight thermal printheads, such as POS and label printer applications. The 2-, 3-, and 4-inch sizes have a resolution of 203dpi. This series is suitable for a wide range of applications. !Applications POS printers Label printers Receipt printers General purpose compact printers !Features 1) Both ROHM’s advanced LSI technology and proprietary partial glaze are used to realize higher printing efficiency. With a high print speed of 100mm/s, this series is also suitable for thermal transfer printing. 2) Besides the fact that harness-type direct connectors at either end allow wring to be fitted as convenient, the thermal printheads can be applied directly to the substrate without a heat sink. Both these features give engineers greater freedom when designing the printer mechanism. 3) One rank resistance value of 800Ω ± 3% eliminates the inconvenience of rank selection. !External dimensions (Units : mm) 83 (HEATSINK WIDTH) 72 (EFFECTIVE PRINT WIDTH) DOT #576 DOT #1 Max.1.7 5.85 EPOXY RESIN COATED 16±0.2 15.1±1 2.6±0.1 M No.9 CONNECTOR B No.1 No.9 ax .φ 14 .0 No.1 CONNECTOR A 2-M3 (EFFECTIVE DEPTH 4.5) 5 73 4.6 1/4 KF2003-GR40A Printheads !Equivalent circuit VH GND 8,9 1,2 DOT #576 DOT #1 1,2 8,9 VH GND 4 STB4 STB3 5 3 2 1 7 6 STB1 STB2 6 LACTH REGISTER DI V DD TM 7 SHIFT REGISTER 4 3 THERMISTOR 30kΩ B3950 5 4 3 LAT DO CLK CONNECTOR B CONNECTOR A Fig.1 !Pin assignments CONNECTOR B No. 1 2 3 4 5 6 7 8 9 Circuit GND GND TM VDD STB4 STB3 DI VH VH CONNECTOR A No. 1 2 3 4 5 6 7 8 9 Circuit VH VH DO CLK LAT STB2 STB1 GND GND 2/4 KF2003-GR40A Printheads !Timing chart tw CLK CLOCK (CLK) t setup DI DATA IN (DI) "High" :BLACK "Low" :WHITE DATA OUT (DO) "High" :BLACK "Low" :WHITE t hold DI td DO t setup LAT LATCH (LAT) "High" :HOLD "Low" :THROUGH t hold LAT tw LAT t setup STB STROBE (STB) tdo DRIVER OUT tdo Fig.2 !Characteristics Parameter Effective printing width Dot pitch Total dot number Average resistance value Applied voltage Applied power Print cycle Pulse width Maximum number of dots energized simultaneously Maximum clock frequency Maximum roller diameter Running life / pulse life Operating temperature Symbol − − − Rave VH PO SLT TON − − − − − Typical 72.0 0.125 576 800 24.0 0.64 1.25 0.28 288 4 φ14.0 50/5×10 5~45 7 Unit mm mm dots Ω V W/dot ms ms dots MHz mm km/pulses °C 3/4 KF2003-GR40A Printheads !Electrical characteristic curves 0.8 Paper : KF50-HDA (OJI) 0.7 OPTICAL DENSITY 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 1 2 3 4 5 0.0 0.00 0.05 0.10 0.15 0.20 0.25 0.30 ENERGY (mJ/dot) 0.8 SLT : 1.25ms/line 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1 2 3 4 5 0.6 ENERGY (mJ/dot) 0.5 0.4 0.3 0.2 0.1 0 0 SCANNING LINE TIME (ms/line) ENERGY (mJ/dot) SCANNING LINE TIME (ms/line) Fig.3 Adaptive speed chart Fig.4 Representative density curve Fig.5 Maximum energy curve 180 160 140 RESISTANCE : (kΩ) 120 100 80 60 40 20 0 −20 −10 0 10 20 30 40 50 60 70 TEMPERATURE : (°C) Fig.6 Thermistor curve 4/4 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 use silicon as a basic material. 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-Rev1.0