MULENDA NGOYI Martin and NGONGO NGONGO SYLVESTRE 2026. Preventive Maintenance of Inkjet Printers: The Case of the City of Kabinda (DRC). International Journal of Scientific Research and Innovative Studies. 5, 4 (Aug. 2026), 918–926. DOI:https://doi.org/10.63883/ijsrisjournal.v5i4.915.