Hi, I'm Sadique. Welcome to JustAnswer. I'm reviewing your question now, and will post back with your reply ASAP.
Please click this link to go to the downloads page: https://www.usa.canon.com/internet/portal/us/home/support/details/printers/support-inkjet-printer/mp-series/pixma-mp230#0d329416-bc96-4557-9995-d4f684101a23_tab
Then click the Grey Manuals box.
Then it will automatically scroll down to the bottom and will provide you with the list of Manuals related to your printer.