Brother International HL-6050DN Users Manual - English - Page 132
Cleaning the corona wire, vertical stripe.
UPC - 012502609568
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Cleaning the corona wire If you are experiencing print quality problems, please clean the corona wire as follows: 1 Turn off the printer power switch, and then unplug the printer power cord. 2 Press the cover release button and then open the front cover of the printer. 3 Take out the drum unit assembly (drum unit with the toner cartridge). Caution ■ We recommend that you put the drum unit assembly on a piece of disposable paper or cloth in case you accidentally spill the toner. ■ To prevent damage to the printer from static electricity, do not touch the electrodes shown in Figure 5-27. Figure 5-27 4 Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left several times. Home position (▲) Figure 5-28 Caution Make sure to return the tab to the Home position. If you do not, printed pages will have a black vertical stripe. 5 Put the drum unit assembly back in the printer. 6 Close the front cover. 7 Plug the printer power cord back in, and then turn the printer power switch back on. ROUTINE MAINTENANCE 5 - 17