ITB APPARATUS FOR IMAGE FORMING APPARATUS

摘要

An intermediate transfer belt assembly of an image forming apparatus is provided to restrain printing paper picture pollution due to bad cleaning of an intermediate transfer belt by regularly maintaining a nip pressure of the intermediate transfer belt and a cleaning unit. An intermediate transfer belt(B) is supported by a plurality of back-up rollers for moving on an endless track. A waste developer recovering unit(80) has a cleaning blade(82) contacting with the intermediate transfer belt for removing a residual waste developer. A pressurizing unit(100) is installed at the waste developer recovering unit for pressurizing the cleaning blade. The pressurizing unit includes a pressurizing boss(110) integratedly formed at the waste developer recovering unit, and an elastic member(120) installed at an end of the pressurizing boss.