Remove redundant parameters in favor of existing instance members
Remove redundant parameters in favor of existing instance members

- Ensure local printerConnection reference is stored

larsbrubaker/MatterControl,larsbrubaker/MatterControl,jlewin/MatterControl,mmoening/MatterControl,unlimitedbacon/MatterControl,mmoening/MatterControl,unlimitedbacon/MatterControl,jlewin/MatterControl,larsbrubaker/MatterControl,unlimitedbacon/MatterControl,jlewin/MatterControl,jlewin/MatterControl,larsbrubaker/MatterControl,mmoening/MatterControl,unlimitedbacon/MatterControl