A cartridge block for screening a multilayer ceramic with a conductive paste includes a threaded paste cartridge attachment located at a top of the cartridge block, the threaded paste cartridge attachment being configured to receive a paste cartridge containing the conductive paste; a paste routing section, the paste routing section located underneath the threaded paste cartridge attachment, the paste routing section comprising a flared section located at a bottom of the cartridge block, the paste routing section being configured to receive the conductive paste from the threaded paste cartridge attachment and route the paste through the flared section.