orderLoader = $orderLoader; $this->resultPageFactory = $resultPageFactory; parent::__construct($context); } /** * Print Order Action * * @return \Magento\Framework\Controller\ResultInterface */ public function execute() { $result = $this->orderLoader->load($this->_request); if ($result instanceof \Magento\Framework\Controller\ResultInterface) { return $result; } /** @var \Magento\Framework\View\Result\Page $resultPage */ $resultPage = $this->resultPageFactory->create(); $resultPage->addHandle('print'); return $resultPage; } }