| Nantian PR2 specialized bankbook printer is a new generation Bank book printer with rational compactness structure which is developed and launched by Olivetti company in Italy and Nantian corporation cooperatively. It not only possesses the automatic aline functions of high accuracy, but also there is extendible magnetic stripe that reads the writing device, advanced 24-needle Oval printer head and technology of compensating printer head broken needle stitch automatically. It have the characteristics that type the speed fast, with minimum noise in the domestic bankbook printer at present. It is a advanced multi-functional bank Chinese character bankbook printer designed direct against bank cashier. It have extensive markets worldwide, its product is applied to the financial trade of bank savings and counter service item of such areas as Europe , America, Asia, ocean state ,etc. in a large amount. Nantian PR2 serial specialized bankbooks printer that Nantian Company and Olivetti Company develop jointly is the product directed against China's market development mainly, so its export is directed against Chinese country and area mainly. From going into operation in 1997 to the present, Nantian PR2 serial specialized bankbooks printer sells and uses over 300,000 in China's mainland.As an item of outstanding products, Nantian PR2 specialized bankbooks printer has superior performance, but it is not an item of perfect products, still have a deficiency on some performance in using actually, exist some common trouble situation, some part apt to wear out. And with constant changes of user's needs, it needs to be improved on performances constantly. The purpose of this text of research is that through abundant analysis prove, combined actual operating position of bankbook printer to seek various schemes, thus reach the purpose of promoting the properties of product, solving the common trouble, lengthening the service life of the products. In order to achieve the goal of studying, this article has carried on overall and deep research to Nantian PR2 specialized bankbook printer, have done the work of the following aspects mainly:1. Have introduced the main function of Nantian PR2 bankbook printer briefly.2. Have analyzed the technical parameter, structure, operation principle of Nantian PR2 bankbook printer in detail. And have a deep research on the main part of printer(include typing head, main board, the package of the power, inside sensorsystem) and the structure, material, operation principle of combining relevant parts. It established a foundation for after improving of printer's performance.3. Combined the actual using situation of Nantian PR2 bankbook printer, it list two common trouble phenomenon( type head collide wall phenomenon and horizontal electrical machinery have no movement in typing), have analyse the trouble reason carefully, has put forward some simple solutions. Meantime point out the emergence that will reach and stop this trouble phenomenon at all, reduce fault rate , need to carry on the improvement on performance to the printer.4. To above-mentioned two trouble phenomena, according to the operation principle of the printer, this text has proposed altogether four pieces of performance improving scheme. Then combined reality and used the data of testing, successively carried on numerous demonstration to four schemes of improving, concluded that two schemes among them is totally feasible and have very important actual application value.after the use of successful performance improving schemes, through testing for a long time, Nantian PR2 bankbook printer has stopped above two mentioned common troubles basically. The fault rate of the printer is obviously reduced, cost of safeguard expenses drop greatly. Because of very large occupancy volume of market Nantian PR2 specialized bankbook printer having, as a kind of irreplaceable main product, this article has very important actual value and economic worth for the research contents of improving the performance of Nantian PR2 bankbook printer.
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