| The library is a room used for storing books and other publications which are usually stored according to specific spatial arrangement to use the reader. Services at the library should ideally be more attractive, friendly, fast and accurate, this means that the orientation of library services should be based on the user desires, the research on service quality needs to be done in an effort to improve the quality of service with the aim of improving quality of care and long term to maintain consumer. Atma Jaya University Library is one tool that could be used as an effective source of information to increase knowledge through a wide range of readings. As one college library, Atma Jaya University Library also needs to consider the satisfaction of users, which will indirectly affect the quality of service. Furthermore, libraries can take steps to improve the quality of service with attention to the needs of its users.To find out which service attributes into customer needs and measure performance of quality attributes are then used method ServQual and Importance Performance Analysis (IPA) to be identified the attributes of service based on the extent to which those attributes the ability to meet customer satisfaction. Methods ServQual divided into 5 dimensions, namely tangible, reliability, responsiveness, assurance and Methods empathy.Sedangkan Importance Performance Analysis (IPA) using quadrant analysis that consists of quadrants A, B quadrant, quadrant C and quadrant D. From the results of calculation method and the method ServQual Importance Performance Analysis ( IPA),we can see the attributes that made the top priority. Based ServQual method can be seen that there are 26 attributes of service has a negative score gap value, which means still can be done to improve the quality of service. Based on the method of Importance Performance Analysis (IPA), there are 5 attributes of service that goes into quadrant A (priority), which means the fifth attribute requires priority to be improved, 9 attributes are in quadrant B, which means no need to increase performance but maintained, 5 attributes are in quadrant C, which means requiring low priority to be improved, and there are 7 attributes are in quadrant D, which means performance is now beyond their attributes. |