About the the correct method of operation, many friends in order to facilitate the map, often simply outside the box to make a hole, add toner, and then use adhesive tape. Such an operation can solve immediate problems, but can not cure. Often powder selected, but the print quality is still not good, that is, the operation is not correct. The correct method should be as follows:

1, the residual powder in the drum warehouse
Because compatible powder can not be exactly the same as the original powder, in order to avoid problems, so this step can not be avoided, especially the first time the original drum powder to do more, but if later add powder, compatible powder brand and model exactly the same, you can ignore this step.

2, the waste toner waste warehouse
Waste toner warehouse once filled with waste toner, it will gradually overflow in the print page will leave a vertical black stripes, affecting the print quality, more serious is that it will increase the friction, the final damage to the surface of the cf230a coating, resulting in a thorough cartridge reimbursement. Therefore, we must pay attention to clean, but be careful not to damage the scraper, it is best to gently knock the waste toner discharged.

3, replace the necessary accessories
Sometimes the correct addition of toner but the print quality is still not, there is the end of heavy powder, and a black vertical stripe appears, the surface of the printer cartridge filled with toner, we must change the scraper, it is because the scraper used For a long time has been deformed, can not be printed when the excess powder into the waste toner warehouse, but brought it to the paper. Under normal circumstances for the scraper can solve the problem. There is also a case that there is a regular print black spots on the manuscript, which is the drum itself has been damaged or serious aging, which requires the replacement of drum core. The above is a problem that needs attention, as long as careful operation, follow the principle of adding flour, remember to add powder steps will not go wrong.

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