How to print type 10 test page on canon iR ADV C3520i

Checking drum and Developing unit. Step 1. On control panel press (*) button and simultaneously pres (2) and (8). Step 2. On the service mode select type tab. Select type and type 10 and press (ok) twice. Step 3. Press START button on control panel to print type 10 page. [Note: make sure to load blank papers in trays] ------------------------------------------------------------------------------------------- *Type 10 or 4 test pages will show quality the drum & dev units condition has. Replace if smudges or faded on print outs. For more information. +67575235351/3031 373