HP 15, 17, 23, 41, 45, 78 Optional Resetting Instructions. – HP Support – 15, 17, 21, 22, 23, 27, 28, 41, 45, 54, 56, 60, 61, 62, 63, 65, 74, 75, 78, 92, 93, 94, 95, 96, 97, 98, 901

1. Remove the cartridge(s) from the printer.

2. Place the cartridge(s) on a table with the copper con- tact facing you, as shown in the illustration below.

3. Carefully place a piece of electrical tape over the four contacts on the upper left corner of the cartridge(s), marked “1” in illustration below.

4. Reinstall the cartridge(s) in the printer (with tape in place) and close the lid. Wait until the carriage returns to the park position and wait for approximately 10 seconds.

5. Open the printer lid and remove the cartridge(s) again. The printer may hesitate andash to indicate there is a problem; this is normal.

6. Move the tape from the left side to the right side of the cartridge(s), marked “2” in the illustration below.

7. Reinstall the cartridge(s) in the printer and close the lid. Wait until the carriage returns to park position again and wait 30 seconds.

8. Open the lid, remove the cartridge(s) and remove the tape.

9. Reinstall the cartridge(s) and close the lid. The printer will now recalibrate. Once the process is complete, the ink level meter should read full again.

10. If the ink level is still not reset, unplug the power cord, while the power is on for one to two minutes. Plug it back in; ink level should now read full.

11. Note: If this process does not work therst time, try taping both sides of the contacts on the cartridge at the same time and follow step 4 , then go to step 8