HP Deskjet K109a，突破喷墨打印的成本“瓶颈”——所使用的703号大容量墨盒，可打印600页黑白文档和250页彩色图文。以学生最常打印的普通A4资料来计算，一只黑墨就够打600份资料，足够使用一个学期，学习资料和考试习题随心打。
HP Deskjet K109a???????????????????????????????????70????????????????0.11?????????????????0.2???????????1??????HP Deskjet K109a?????????????????????????????????????
HP Deskjet K109a??????????????????????棗????????28?/????????21?/??????????????????????600dpi??????????????????????????????????????48001200dpi?????????????????????1.3pl?5pl?????????????????????????????????????????
| HP K109a | |
| ???? | ????? |
| ???? | ???28ppm????21ppm???/??/10x15???31? |
| ????? | 600x600dpi?????? 4800x1200dpi |
| ?????? | A4 |
| ???? | ??????? |
| ???? | ?? |
| ????? | 3000? |
| ???? | USB2.0 |
| ???? | A4?A5?A6?B5?JIS??B5?ISO? |
| ???? | 80? |
| ???? | 20? |
| ???? | 703??????CD887AA???CD888AA |
| ???? | ????? |
| ???? | ???? |
| ???? | ??600????250? |
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