The term "DI OPC DRUM 203" appears to refer to a type of drum used in a Digital Imaging (DI) printer, specifically for printers or copiers that use OPC (Organic Photoconductor) drums.

Here's a breakdown of the terminology:

1. DI – Digital Imaging, referring to the process used in laser printers or copiers.
2. OPC – Organic Photoconductor, which is a material used in the drum of laser printers and photocopiers to transfer toner onto paper.
3. Drum – The cylindrical part that plays a key role in transferring the image onto paper by utilizing the OPC layer.
4. 203 – Likely refers to a model number or series of the OPC drum, possibly indicating a specific compatibility with a brand or series of printers or copiers.

If you're looking for specifics about the "DI OPC DRUM 203," it may be helpful to identify the exact printer or copier brand and model it is associated with. The 203 could point to a model used in specific devices (for example, in certain Canon or other brand printers).

If you are looking for information about this drum, such as its replacement, maintenance, or a specific printer it works with, feel free to share more details!