X company is the oldest of several company units engaged in printing and packaging, supported by other units such as paper making, conversion, holograms, engineering, and an integrated total security system. An offset printing machine is one of the main equipment in the production process which has an important role in printing packages in large quantities and quickly. So on an offset printing machine, there will be factors that cause a decrease in the performance of the offset machine, such as a dirty machine environment, inappropriate roller settings, oil leaks, and worn components. Therefore, it is necessary to carry out preventive maintenance on offset printing machines to maintain machine performance in optimal conditions to produce good quality output and maximum machine lifetime. This research aimed to reduce the wasteful use of oil and to reduce the cost of using oil using preventive maintenance methods. The results of this research indicate that the Heidelberg Speedmaster CD 102 offset machine underwent preventive maintenance by checking adjusting roll, leakage, oil level, and noise every day. By checking this, we get the results that the quality of the output produced is better maintained and the lifetime of the machine increases. This increase in engine lifetime can be seen as a result of decreasing engine oil usage from 1182 liters to 450 liters and decreasing costs incurred for engine maintenance, especially oil. The costs incurred for oil use in August 2022 – January 2023 have decreased from Rp. 82,129,000,- to Rp. 31,275,000,-.