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夏普四色(黑、蓝、绿、红)圓珠笔(SHARP EA-8500)简称四色打印笔,是日本国夏普有限公司的产品,可供类似如与夏普PC-1500袖珍计算机配伍的CE-150打印机印字、绘图用。这种笔每套四支,每支贮水量不到八滴。我国使用夏普四色打印笔的微、小型计算机数量数以万计,打印笔是消耗品,旧笔弃之可惜能够吸墨水再用可以节约一些开支。应用本文提供的吸墨水法,黑色笔吸一次碳素墨水,印二号字体二万四千个字符再印字,笔迹仍清晰。蓝、绿、红色笔吸墨水印字,效果亦佳。
Sharp four-color (black, blue, green, red) ball point pen (SHARP EA-8500) referred to as four-color printing pen, Sharp Japan Co., Ltd. products for similar such as with the Sharp PC-1500 pocket computer compatible CE -150 printer printing, drawing purposes. Each pen has four pens, each holding less than eight drops. China’s use of Sharp four-color printing pen micro, small number of tens of thousands of computers, printing pen is a consumable, the pen abandoned the old pity that ink can reuse and then save some expenses. Application of this article provides suction ink method, a black ink suck a carbon ink, printed on the second font 24,000 characters and then printing, the handwriting is still clear. Blue, green, red ink pen ink absorption, the effect is also good.