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| KF2005-GD45A Printheads Compact medium speed thick film thermal printhead (8 dots / mm) KF2005-GD45A Using its expertise in LSI technology, ROHM has developed new high density driver chips for use in the KF2005-GD45A . Capable of being employed for both thermal and thermal transfer printing, with a print speed of 200mm/s, the resulting print heads are the fastest in their class. This high-speed and high-density printing answers the needs of POS, ATM, KIOSK and ticket printing devices, which are increasingly being called upon to produce graphical output. Among the above applications, this head is best suitable for bankbook size print for ATM. Applications ATM printers POS printers KIOSK printers Ticket printers Features 1) The use of a special partial glaze and the latest heating element structure, along with new high-density driver chips that can accept big current, has allowed ROHM to achieve print speeds of 200mm/s with using thermal history control, the fastest in its class. 2) Standard printheads in the line up are capable of 203 or 300 dpi. They achieve the high resolution needed for graphics and other complex print patterns. 3) One rank resistance value of 800 3% eliminates the inconvenience of rank selection. 4) Achieves the high life expectancy by forming the electrically conductive hard over coating layer on the heat element. 5) 2-inch, 3-inch, 4-inch and 5.5-inch series are available. External dimensions (Unit : mm) 155 144 (EFFECTIVE PRINT WIDTH) (5.5) DOT #1152 DOT #1 5.10.4 40.2 Max. 20 2.60.1 No.15 CONNECTOR B No.1 No.15 CONNECTOR A Ma (10.2) 60.2 1430.2 2-M3 (EFFECTIVE DEPTH 3) 5.10.1 x. 20 No.1 .0 1/4 KF2005-GD45A Printheads Equivalent circuit VH GND DOT #1152 DOT #1 VH GND 9 STB6 1 STB1 STB5 STB2 STB4 STB3 LATCH REGISTER DI /LAT DO CLK VDD SHIFT REGISTER TM TM CONNECTOR B THERMISTOR 30k B:3950K CONNECTOR A Fig.1 Pin assignments CONNECTOR B No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Circuit GND GND GND GND GND TM TM STB4 STB5 STB6 DI VH VH VH VH CONNECTOR A No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Circuit VH VH VH VH DO LAT CLK VDD STB1 STB2 STB3 GND GND GND GND 2/4 KF2005-GD45A 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 setup LAT LATCH (LAT) "High":HOLD "Low" :THROUGH tw LAT STROBE (STB) t setup STB t hold LAT t hold DI td DO 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 144 0.125 1152 800 24 0.61 1.25 0.29 576 8 20.0 50/5x10 5 to 45 7 Unit mm mm dots V W/dot ms ms dots MHz mm km/pulses C 3/4 KF2005-GD45A Printheads Electrical characteristic curves 0.8 Paper : KF50-HDA (OJI) 0.7 OPTICAL DENSITY 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 1.8 SLT : 1.25ms/line 0.8 0.7 0.6 0.6 ENERGY (mJ/dot) ENERGY (mJ/dot) 0.5 0.4 0.3 0.2 0.1 0 0 1 2 3 4 5 0.5 0.4 0.3 0.2 0.1 0.0 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0 0 1 2 3 4 5 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 : (k) 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 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 |
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