Ink jet recording device and method of conveying recording medium in the same

A method of conveying a recording medium in an ink jet recording device including:

• a recording head configured to eject ink droplets onto a recording medium;
• a conveying member configured to convey the recording medium in a conveying direction, the recording medium having a leading edge and a trailing edge in the conveying direction;
• a platen disposed in confrontation with the recording head to support the recording medium while keeping a predetermined distance from the recording head;
• a supporting member disposed in the platen to slide in the conveying direction while supporting the recording medium;
• wherein the platen has a printing region over which the recording head can eject ink droplets, the supporting member sliding in printing region, the method comprising:
• (a) conveying the recording medium;
• and
• (b) driving the supporting member to start sliding in the conveying direction after the leading edge of the recording medium starts sliding in the printing region.