ts 3350清零_ts3140清零

Inkjet printer HP OfficeJet Pro 8720 is able to perform many tasks quickly and easily, from printing and scanning documents to copying and faxing. HP OfficeJet Pro 8720 uses two ink cartridges, one for black and one for color. The black ink cartridge is an HP 3350, and the color ink cartridge is an HP 3140. In order to keep these two cartridges in good condition and ensure the highest quality printing, it is important to regularly clear any accumulated residual ink from the printheads of these cartridges. The following instructions explain how to perform the necessary steps to reset the HP 3350 and HP 3140 cartridges.

1. Turn on the HP OfficeJet Pro 8720 and press the "Start" button.

2. Open the ink cartridge access door of the printer and remove the black HP 3350 cartridge and the color HP 3140 cartridge.

3. Hold each cartridge at a 45-degree angle and press down firmly on the printheads.

4. Rock the ink cartridge back and forth a few times to help dislodge any dried or clogged ink.

5. Place the cartridges back into their respective slots and close the access door.

6. Power off the printer and wait for 1 minute before turning it back on.

7. Print a test page to check the reset status of the cartridges.

8. If the reset has been successful, there should be no lines or streaks on the page. If there are still lines or streaks, repeat the process for each individual cartridge.

9. Once the reset is successful, the HP OfficeJet Pro 8720 should be able to print with high quality.

By regularly following these steps, you should be able to keep your HP 3350 and HP 3140 cartridges in good condition and maintain the highest printing quality.