Let's clean the Laser Scan Unit (LSU). If the toner is new or normal, but the print is blurred as a whole, or if there is a vertical line problem or discoloration symptom You may need to clean or replace First... Do it with the power off
All the time With the power cord off... I'll take them out first Take out all the toner first. Pull out the waste toner container. The powder might come out, so keep it standing And image drums
There's a handle, so pull it Pull this part It's coming out. You can't damage this place Don't touch this side Close the front cover I'll take out the paper tray I have to flip it over, but the top cover might open, so I'll fix it with tape Fix it with tape and turn it upside down. Wipe off the powder from the waste toner container This is the laser scanning unit.
Three screws. Let me untie them Loosen the screws and lift the unit slightly. I'm going to wipe off the film with a dry cloth And I'll wipe off the areas that come into contact with me And then put it back in. You can put it in like this If it's done, I'll flip it over again I'll flip it and put it back in the order of reverse Insert the imaging drum. Put in the waste toner container and toner. If you close the lid, that's it! You can clean it like this.
If it doesn't work after cleaning, please replace it Thanks for watching.