导纸辊有槽胶面，以防压坏纸板，增加送纸准确性。
Rubber surface for paper guiding roller can avoid damaging paperboard and increase accuracy of paper sending.
导纸辊有槽胶面，防止破坏纸板强度，增加送纸的准确性。
Rubber surface for paper guiding roller can avoid damaging strength of paperboard and increase accuracy of paper sending.
分析了打印机导纸器塑件工艺特点，介绍了注塑模结构、浇口设计方案和模具工作过程。
It analyzed the technological characteristics of plastics article of leading paper device of printer, and introduced the structure of injection mould, the gate design, and the work process of mould.
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