Patent ID: 7819517

Claim:
An ultraviolet ray irradiation apparatus for fixing a printed material, which is connected to a printed material discharge port of a printing apparatus and comprises a belt type conveyance device configured to aspirate a lower surface of a discharged printed material and conveying said discharged printed material, a drive motor configured to drive said belt, a control device configured to control the driving of said belt, and an ultraviolet ray irradiation unit configured to irradiate an image surface of said discharged and conveyed printed material with ultraviolet rays, wherein said ultraviolet ray irradiation apparatus has a signal line for exchanging electric signals with said printing apparatus, and performs control such that rotational driving of said belt drive motor of said ultraviolet ray irradiation apparatus is begun upon reception of a printing drum rotation start signal or a paper feeding unit paper conveyance start signal, and said belt driving is halted after a predetermined amount of time has elapsed following reception of a printing completion signal.