| 摘要 |
This developer of a printer consists of four parts: upper and lower rollers (1); a projected member (1b); a roller interval maintaining means, which maintains the interval of the rollers at a constant; a roller supporting means for supporting the upper and lower rollers (1), the means comprising a bearings (2) connected to the projected member, side plate (3), and a cushion (5) pushing the bearings perpendicularly.
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