Inkjet image forming apparatus and mainmtenance method thereof

Inkjet image forming apparatus disclosed, the cap member and the wiper is facing the nozzle unit is located below the upper surface of the platen forming the paper delivery path, the platen is a printing position and wiper and the cap member to form a sheet transport path is escaping from the printing position to access the nozzle unit is characterized in that it has a maintenance position for releasing the lower nozzle portion.