Patent ID: 9746806
Date: 2017-08-29
CPC Classifications: G03G

Claim:
1. An image forming apparatus comprising: an inlet through which a recording sheet is to be inputted; an image forming unit including a photosensitive drum and a toner cartridge, the toner cartridge configured to be attached to and detached from the image forming apparatus while the photosensitive drum is installed in the image forming apparatus, the image forming unit configured to form a developer image on a recording sheet inputted through the inlet and conveyed along a first conveying path along which the recording sheet is conveyed in an upward direction; a cartridge guide comprising a guide start portion, an arcuate guide portion, and a guide end portion, the cartridge guide being configured to guide the image forming unit such that the image forming unit is movable relative to the first conveying path from the guide start portion to the guide end portion through the arcuate guide portion; a fixing device disposed above the image forming unit and configured to fix the developer image, which is formed by the image forming unit, on the recording sheet; an LED array disposed at a position opposite to the first conveying path in a horizontal direction relative to the photosensitive drum and opposite to the inlet in a vertical direction relative to the image forming unit, the LED array configured to expose the photosensitive drum of the image forming unit, the LED array, the LED array configured to move in the horizontal direction toward the photosensitive drum into an attachment position when the toner cartridge is attached to the image forming apparatus in which the photosensitive drum is installed, and the LED array configured to move in the horizontal direction away from the photosensitive drum into a non-attachment position when the toner cartridge is detached from the image forming apparatus in which the photosensitive drum is installed; and a recording sheet receiving unit configured to receive the recording sheet conveyed from the image forming unit, wherein the cartridge guide is curved such that the image forming unit is movable around the LED array, wherein the guide start portion extends substantially horizontally in a direction substantially parallel to the horizontal direction.