Quality control is the most important part of a business activity. PT Impreza is one of the companies engaged in printing, currently the company is making repairs to defective products. The method used in this study is to use Statistical Process Control (SPC), which is control p. The results of this study indicate that the Central Limit (CL) is 0.0443 (4.43%), Upper Central Limit (UCL), Lower Central Limit (LCL). After plotting data on the proportion of product defects to the control limit, there are some defective data outside the control limits, especially those that pass UCL. After it is known that there is data that is beyond the control limit then an analysis of the cause of the problem and the plan for a repair solution is carried out. The analysis is carried out based on humans, machines, methods, materials and the environment.
Volume 11 | 03-Special Issue
Pages: 453-458