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HP printer refill powder tutorial (12a toner cartridge)

Step 1: Open the top cover and take out the toner cartridge

Step 2: Remove the side screw of the drum

Step 3: Remove the cartridge spring

Step 4: Remove the drum

Step 5: Remove the charging rod

Step 6: Pull out the toner cartridge pin

Step 7: Divide the toner cartridge into two and remove the powder box screw

Step 8: Pour the powder into the powder bin

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