3.3.3 Removing the upper cover unitTo remove the upper cover unit, see the figure below.1) Unhook the upper cover unit's four hooks on the sides and back.2) Unhook the two hooks on the front.To reinstall, follow this procedure in reverse.3.3.4 Removing the printer unitRemove the printer unit as shown in the figure below.1) First remove the two screws securing the printer unit and bottom case.2) Release the bottom case's two hooks at the back of the printer unit. (Arrows 1 and 2)3) Hold the two handles on the sides of the printer unit and lift up at an angle as shown by arrow 3.Part 2: Troubleshooting BJC-62002-14Figure 2-4 Upper Cover Unit Removal and Installation1233ScrewFigure 2-5 Removing the Printer Unit