If they could not tie their customers to their cartridges, they would charge more for the printer itself, and the kind of person who now USES his printer rarely would not buy one at all.
2
产品设计说明：爱普生原装墨盒的价格高居不下，如何降低和节省办公家用的打印费用，是大家关心的问题。
The price of the original EPSON ink cartridge is expensive, how to decrease and save the cost of printing is our concern.
3
使用惠普hp45号墨盒，更换方便，价格便宜，无须过多保养，打印清楚并与大多HP - GL文件兼容。
Using HP45 ink cartridges easy to replace cheap no need more maintenance print clearly and compatible with most CAD HP-GL file.
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