Use (located in Start Menu > HP folder) or a third-party tool like Revo Uninstaller. Then delete leftover files in C:\Program Files\HP\ and registry keys (if comfortable).
The number "11311" frequently appears in driver search logs as a misinterpretation of the HP LaserJet P1102w or HP LaserJet Pro M1132 MFP series. The "113" prefix is very common in HP's popular LaserJet line. hp printer hewlett packard 11311 driver download