Patent ID: 8301070

Claim:
An image forming apparatus comprising: a belt conveying portion having a movable endless belt provided around at least two supporting members; a cleaning member provided in contact with a surface of said belt; a lubricant supply portion provided below a contact portion between said belt and said cleaning member, said lubricant supply portion supplying lubricant to said contact portion; and an adhered-material storing portion provided below said lubricant supply portion, said adhered-material storing portion storing adhered-material scraped off from said belt by said cleaning member; said lubricant supply portion including an accumulation member provided between said cleaning member and said adhered-material storing portion; said accumulation member being configured to hold a predetermined amount of the adhered-material, and an amount of the adhered-material that exceeds the predetermined amount being released to said adhered-material storing portion; the adhered-material held on said accumulation member being supplied to said belt as the lubricant; said accumulation member having a plate shape extending substantially parallel with said belt from a wall of said adhered-material storing portion, said wall being disposed on an upstream side of said adhered-material storing portion in a conveying direction of said belt; and a region being formed between said accumulation member and said belt, the adhered-material scraped off by said cleaning member being held in said region.