Seals shall be of a mechanical cartridgeseal design and are required for use except where the design of this equipment prevents using a cartridge design.
除设备不允许情况外，都采用机械箱式密封形式，为维护方便，可以使用拼接密封条。
2
If a similar seal existed for the axial cup-and-cone bearing, the longevity would exceed that of the cartridge bearing.
如果存在类似的密封轴承的轴向杯和锥，寿命将超过轴承的墨盒。
3
Developer container seal, developer container, developer apparatus, process cartridge, and image forming apparatus.