网友纷纷在社交媒体上发表猜想。这是写字画画用以压纸的镇纸吗？还是餐巾架？
There was much speculation on social media. Was it a paperweight? A napkin holder?
热敏头水平设置，允许纸张前进到打印机的前部，压纸辊设置在热敏头的正上方。
Thermal head is horizontally placed allowing paper direction to frontal part from printer, and platen roller is placed right above thermal head.
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