￿6. Clean the primary corona wire inside the drum unit by gently sliding the blue tab to the right end and left end several times. Return the tab to the home position before reinstalling the drum unit assembly.

Home Position (▲)

Fig. 3-10 Cleaning the primary corona wire

!Caution

Make sure that you return the tab to the home position (▲ mark position) before reinstalling the drum unit assembly into the printer or printed pages may have vertical stripes.

￿7. Re-install the drum unit assembly into the printer and close the front cover.

Fig 3-11 Re-install the drum unit assembly

3-8