Canon wireless printer

You may use the app from App Store if required

Canon PRINT Inkjet/SELPHY is the print and scan app for PIXMA, MAXIFY and SELPHY from your iPad, iPhone or iPod touch. *1

Canon PIXMA TR4527 | Small Office & Home Office Printer

https://www.canon.ca/.../product?...PIXMA_TR4527.../Printers...Printers/Pixma

You may get better and prompt responses if you may kindly provide the iPhone Model that you have and the iOS version if it is known to you.