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| KF2002-GL50A printheads thick film thermal printhead (8 dots / mm) KF2002-GL50A the KF2002-GL50A is a 24 v standard thick film thermal printhead with a printing speed up to 6 inches / s that has been developed mainly for label printer use. z z z z applications high speed label printer high speed bar code printer high speed ticket printer various high speed terminal printers z z z z features 1) newly developed thick-film fast response thermal element is employed for this series and 6 inches / s or 150 mm / s is possible without thermal history control. it is possible to print 10 inches / s or 250 mm / s if external thermal history control is used. 2) 150km life realized for gl50 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. z z z z external dimensions (units : mm) 56 (effective print width) dot #1 dot #448 #2 #20 #19 #4 #1 #1 connector a connector b 3-m3 (effective depth 3) (effective depth 3) dot #448 65 6.1 0.4 0 0.2 25 0.5 7.3 0.3 15.3 0.3 17.8 0.2 (20.8) 55.5 0.3 55 0.3 max.10 max.5.5 max.36 max.45 (5) (4.5) (3) 20 28 0.3 56 0.3 3h10 3h10 length 4 (effective depth 3)
KF2002-GL50A printheads z z z z equivalent circuit vh latch register thermistor 30k ? b: 3950 fig. 1 connector 76 5 4 3 2 1 l ? gnd p ? gnd v dd lat clk di2 do2 di1 stb2 stb1 shift register shift register do1 tm tm dot # 448 dot # 1 64 output each di no. di1 1 193 192 448 di2 dot no. stb no. stb1 1 193 192 448 stb2 dot no. z z z z pin assignments tm tm di1 do1 n.c. n.c. n.c. n.c. n.c. n.c. vh vh p-gnd p-gnd 11 12 13 14 15 16 17 18 19 20 no. circuit no. 1 2 3 4 circuit l-gnd v dd l-gnd v dd stb2 clk di2 do2 stb1 lat no. 1 2 3 4 5 6 7 8 9 10 circuit connector a connector b l-gnd: logic ground p-gnd: power ground KF2002-GL50A printheads z z z z timing chart clock(clk) tw clk t setup di t hold di td do t setup lat tw lat t setup stb tdo tdo t hold lat data in(di) high : black low : white data out(do) high : black low : white latch(lat) strobe(stb) driver out fig.2 high : hold low : through z z z z characteristics parameter effective printing width rave v h p o slt t on 56 0.125 448 550 24 0.93 0.82 0.26 448 8 20.0 150 / (1 10 8 ) 5 45 ? ? ? ? ? ? ? ? mm mm dots ? v w / dot ms ms dots mhz mm km / pulses c 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 typical unit |
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