To assist customers in retaining a record of outdated equipment, what should you do with a part that does not have a service label?

Offering to document the serial number on a receipt is a practical and effective way to help customers retain a record of outdated equipment. By capturing and providing the serial number, you create a tangible reference that customers can keep for their records. This information can be crucial for tracking warranty status, future repairs, or historical reference regarding the equipment's lifespan and service history. Documentation on the receipt serves as an official record that the customer can refer back to in the future, enhancing customer support and service.

In comparison, other options may not fully address the need for documentation. Choosing to refrain from replacing the part until a label is available delays necessary service and does not provide any information to the customer. Informing customers that the information is not retrievable does not assist them in any way and can lead to frustration. Providing digital documentation might be useful, but without a physical record like a receipt, it may be less accessible for some customers who prefer hard copies or immediate references. Thus, documenting the serial number on a receipt stands out as the most effective approach to assist customers in this scenario.