How to Refill laser Printer Toner: Step by Step Instructions

Every Laser printer is equipped with a toner cartridge that is instrumental in printing your documents or images. It is not necessary to buy a new toner cartridge since you can easily refill laser printer toner yourself by following DIY refill steps.

Although the toner used here is HP 12 A toner, you can refill similar toner cartridges of other laser printers by following the same steps.

Step by Step Instructions

Step-1. After pulling the toner from a laser printer the first step is to open the screw of side cover as shown below:

Step-2. Now take the side cover off:

Step-3: After you have taken outside cover, the next step is to take out drum unit. Hold it from a white portion(gear) and pull it in the direction instructed.

Step-4. This is how the laser toner cartridge will look after plugging out the drum unit:

Step-5. Now you need to plug-out PCR roller as shown below:

Step-6. Slightly push PCR rod to right-side with some sharp-edge tool and then move PCR slightly upward and take it out leftwards
Step-7. Next step is to separate the waste unit and ink unit, which are joined together with the help of pins. So you have to take out the pins which are on both sides of the cartridge.

Step-8. After pushing pin from inside , it’s time to get it out from the outer side since it has plunged out after being pushed from inside as you can see in the picture below.

Step-9. After you remove pins from both sides of the toner cartridge, you have to remove a spring as shown:

Step-10. Next step is to set-apart two main units of the cartridge . One unit is a waste unit and the other is called ink-unit.Hold the toner as shown in the picture and pull both units apart

Step-11. View of Waste Ink Unit and closer view of Spring which is to be removed to open waste ink unit.

Step-12. Remove spring and then remove plastic cover as shown:

Step-13. Now remove the screws of the waste unit to get apart the wiper-blade and then remove the waste-Ink which was collected in this unit.

Step-14. Now that you have managed to open up Wiper-Blade , you should clean the waste collector unit and Blade part. Wiper-Blade should be cleaned with a soft cloth and not with a brush as the brush can put scratches on blade.

Step-15. Next, you have to re-assemble waste-unit part. First, fit the wiper-blade and then the plastic cover as shown:

Step-16. Re-fit plastic cover so that it fixes into the cut/groove as shown:

Step-17. Now Fit the spring back to its position as shown in the image below.

Step-18. Now what you have done so far is that you have opened the waste ink-unit , cleaned it and then closed that unit. Now begins the main part that is to refill the laser printer toner cartridge. So now, take the other unit where the ink resides. Open it and fill the Ink (dry) in it then close it and finally re-assemble the two units which were separated earlier.

Step-19. After removing the side cover, you can see a white plastic cover, you have to remove this and fill here the toner-ink:

Step-20. Remove white plastic cover, now you are ready to refill the toner but before that do not forget to “Shake the Ink Bottle before use”. After removing the cap of the bottle you can apply plastic nozzle-cap which you normally get along with a bottle or you can ask for one from the vendor.

Step-21. Now it’s time to refill and the close the cap as shown below:

Step-22. Now you have to join together the two units i.e Waste-Unit and Ink-Unit as shown below: Make sure to align them as shown in the directions mentioned below: