Brother International MFC 8890DW Service Manual - Page 115

4.4 Dirt on Paper - Check if the paper is loaded into the paper tray correctly. - Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray. Step Cause Fuser unit dirty 1 Check Is there dirt around the entrance of the fuser unit? Is the pressure roller ASSY dirty? Result Remedy Clean the entrance of the Yes fuser unit. Yes Clean the pressure roller ASSY. 4.5 Wrinkles or creases - Check if the paper is loaded into the paper tray correctly. - Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray. Step 1 2 Cause Fuser unit dirty Fuser unit failure Check Is there dirt around the entrance of the fuser unit? Is the problem solved if new fuser unit is replaced? Result Remedy Clean the entrance of the Yes fuser unit. Replace the fuser unit. Yes 4.6 Waves in the paper / folds in the paper at the eject roller 2 - Check that the problem is solved if new paper is used. Step 1 2 Cause Check Result Remedy Foreign object Is there a foreign object around eject roller 2 around the eject roller 2? Yes Remove the foreign object. Eject roller 2 failure Is the problem solved after replacing the new eject roller 2? Replace the top cover Yes ASSY. 3-43 Confidential