Image forming apparatus having paper dust collecting roller

An image forming apparatus comprising:

• a main casing formed with an opening;
• a cover that is configured to selectively open and close the opening;
• a paper-dust collecting unit disposed at a position along a conveying path of a recording medium, the paper-dust collecting unit being configured to collect paper dusts adhering to the recording medium;
• a paper-dust removing member that removes the paper dusts collected by the paper-dust collecting unit;
• a paper-dust conveying unit that conveys the paper dusts removed by the paper-dust removing member;
• and
• a paper-dust storing unit that stores the paper dusts conveyed by the paper-dust conveying unit, wherein:
• the paper-dust collecting unit comprises:
• a paper-dust collecting roller that is rotatably supported at a fixed position in the main casing;
• a conveying roller that is supported at a position in confrontation with the paper-dust collecting roller, the conveying roller being configured to move relative to the paper-dust collecting roller and configured to convey the recording medium along the conveying path;
• and
• an urging member that urges the conveying roller toward the paper-dust collecting roller;
• and
• the paper-dust collecting unit, the paper-dust removing member, the paper-dust conveying unit, and the paper-dust storing unit are provided at the cover.