Patent ID: 7720409

Claim:
An image forming apparatus, comprising: a main casing; a photosensitive member; a process cartridge being installable to and removable from the main casing along a removal path, the process cartridge including a developer accommodating portion that can accommodate a developer; an exposing unit located above the process cartridge when the process cartridge is installed in the main casing, the exposing unit being capable of exposing a surface of the photosensitive member with a light; a sheet-accommodating portion located at a bottom portion of the main casing, the sheet-accommodating portion being capable of accommodating a sheet; a pick-up roller located above the sheet-accommodating portion, the pick-up roller being capable of picking up the sheet from the sheet-accommodating portion; an image forming position where an image is transferred from the photosensitive member to the sheet; a sheet discharge port through which the sheet is discharged out of the main casing; a conveying path along which the sheet can be conveyed from the pick-up roller to the discharge port via the image forming position, the conveying path comprising a turn between the pick-up roller and the image forming position; and a pair of registration rollers between an upper end of the turn and the image forming position; wherein the image forming position is disposed at a position closer to the sheet-accommodating portion than to the upper end of the turn; and wherein the exposing unit includes a bottom plate, the bottom plate is inclined so that a portion of the exposing unit nearer to the upper end of the turn is further from the sheet-accommodating portion than a portion of the exposing unit nearer to the image forming position.