Hi there and welcome Deborah
Sorry but I cannot get the model number from the serial number
Can you give me the model please?
I got your message Deborah
To change the cartridge please follow the instructions on my link below
If you have any problems, or would like any additional information or assistance, please do not hesitate to let me know.
Else if you can take a second to rate my service by clicking one of the stars at the top of the screen then submit, that would be greatly appreciated.