Canon Pixma TR4520 Install
For unboxing the Canon Pixma TR4520 setup printer, remove its packing materials. Peel off the orange tapes. Discard the orange tape and all the packing materials.

Open the cover of the rear tray.
Lift the paper support.
Open the cover of the feed slot.
To open the paper guides, slide them. In the center of the rear tray, load the paper with the print side facing upwards.
To align paper guides with both sides of the paper stack, try sliding them.
Open the paper output cover of the printer.
Make sure not to touch the Fine cartridge holder till it stops.
From the Color Fine cartridge, peel off the protective tapes.
In the left holder, install the Color Fine cartridge.
Hold the Color Fine cartridge in a diagonal position and insert it in a gentle manner.
Ensure that you do not touch the electrical contact located at the end of the cartridge holder.
Lift the Fine cartridge until you hear a clicking sound.
Install the Fine black cartridge in a similar manner into the right holder.