Somethimes we need to change the  cartridges. But some problems occured after installing new one. We analysis the following problems and solutions.

1. The printer couldn't recoginzed newly cartridges                                                              

• The cartridge has not been installed correctly
• The chip has got dirt or dust
• The spring touching needle in the print head is out of order or damaged
• The spring tablet in the printer cannot be used without the chip

Solution:

• Read the cartridges installation tips and reinstall it in.
• Clean the chip up with dry cloth.
• Check the spring touching needle.
•  Replace the spring tablet with  a new one.

• There are air bubble inside the cartridge
• The printer is aged or damaged or blocked
• The yellow label on the cartridge has not been removed on the cartridge

Solution:

• Clean the print head several times by pressing the “Clean Print Head” button.
• Shake the cartridge well before installing
• Remove the yellow label to let the air enter into the cartridge