Brother International MFC-9010CN Users Manual - English - Page 87
Cleaning the corona wires
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Cleaning the corona wires C If you have print quality problems, clean the corona wires as follows: a Turn off the machine's power switch. Disconnect all cables, and then unplug the power cord from the AC power outlet. b Fully open the top cover by lifting up on the handle (1). Troubleshooting and routine maintenance IMPORTANT • We recommend that you place the drum unit and toner cartridge assembly on a clean, flat surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner. • To prevent damage to the machine from static electricity, DO NOT touch the electrodes shown in the illustration. 1 IMPORTANT When the scanner is open, you cannot open the top cover. c Take out the drum unit and toner cartridge assemblies. C d Clean the primary corona wire inside the drum unit by gently sliding the green tab from left to right and right to left several times. 1 Note Be sure to return the tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe. 75