MB290- 17 -Installation2 Push the lower panel down until it clicks.3 Setup the back side feed cassette stop by pushingthe "PUSH" lever (A).Then adjust the lateral paper guides to the paperformat by pushing lever (B) located on the leftguide. Adjust the length paper guide to the paperformat by pushing lever (C).4 Take a paper stack, pull the paper off and align iton a flat surface.5 Put the paper stack in the feed cassette(200 sheets of 80 g/m² paper for instance).6 Put the feed cassette back in its location.Cartridge installation1 Stand in front of the machine.2 Push the left and right sides of the cover and pull ittowards you at the same time.3 Unpack the new cartridge. Gently roll the cartridge5 or 6 times to distribute the toner evenly inside thecartridge. Thoroughly rolling the cartridge willassure the maximum copies per cartridge.Hold it by its handle.4 Insert the cartridge in its slot by pushing it until itclicks (last move down) as shown on the picturebelow.5 Close the cover.