Sharp MX-C312 Operation Guide - Page 113

BEFORE USING THE MACHINE CLEANING THE LASER UNIT When the laser unit inside the machine becomes dirty, line patterns (colored lines) may form in the printed image. Follow the steps below to clean the laser unit. Identifying lines (colored lines) caused by a dirty laser unit • Colored lines always appear in the same place. (The lines are never black.) • The colored lines are parallel to the direction of paper feeding. Direction of paper feeding Colored line • Colored lines appear not only on copies but also on print jobs from a computer. (The same lines appear on both copies and print jobs.) Press the [POWER] key ( ) on the operation panel to turn off the panel 1 power, and then switch the main power switch to the off position. Open the front cover and remove the toner collection container. 2 ☞ REPLACING THE TONER COLLECTION CONTAINER (page 1-52) Remove the cleaning tool for the writing unit from the front cover. 3 Make sure that the cleaner at the tip of the cleaning tool is not dirty. 4 Cleaner If the cleaner is dirty, remove the cleaner and replace it with a clean one. For the procedure for replacing the cleaner, see steps 5 through 7. If the cleaner is not dirty, go to step 8. 1-72 Contents