The "DI OPC DRUM 110" refers to a specific model of drum, often associated with industrial or printing processes. In the context of printers, particularly laser printers or photocopiers, the "OPC" stands for Organic Photoconductor, which is a type of material used in the drum unit for the laser printing process.

The DI OPC Drum 110 would typically be a part used in certain industrial-grade printers or copiers, especially those requiring high-quality imaging and long-term reliability. The drum's role is crucial in transferring toner onto paper in the printing process.

Some key points about OPC drums:

• OPC drums are made of organic materials coated onto a drum surface, which is photosensitive.
• The drum is charged with a static charge and exposed to light to create an electrostatic image, which then attracts toner particles that are transferred to paper.
• Over time, these drums wear down and need to be replaced for optimal printing quality.

If you were referring to a specific product or model, it would be important to know the manufacturer or more details for more specific information.