Music. Open the front cover of the printer and remove the drum unit. Press on the lever and remove the toner cartridge. Look at the developer roller to check if there are any spots, dirt, or other defects on the roller. Rotate the roller, but be aware that it may be very hard to move. Use a screwdriver on the main gear, but be careful not to damage the teeth of the gear. Rotate the roller only in this direction. In case of any problems, clean the roller with a soft cloth. If there are vertical lines on the developer roller surface, it may be due to a dirty blade or toner build-up along the blade's edge. Take a thin cardboard and insert it between the roller and the blade, then move it along the blade to remove any toner build-up or dust. Then, manually turn the developer roller and clean it with a soft cloth. Brother toner cartridges do not have a chip, but they have a reset gear that must be properly positioned. Each cartridge has a different reset gear and you can find the proper reset position by searching in this channel or with proper guidance. Pay attention when resetting a used toner cartridge as the printer senses a new cartridge and sets the bias voltage to a high level, gradually reducing it to maintain density throughout its life. This process is necessary as a used toner cartridge tends to print darker. If you reset a used toner cartridge, the printer will believe it's a new one and set the voltage high, potentially resulting in light prints or background lose toner. Check the mylar blade that is right up against the toner roller to prevent toner from falling out of the cartridge. If this blade is warped,...
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Video instructions and help with filling out and completing Fill Form 2220 Adjustment
