An image forming apparatus which includes a light emitting element configured to emit a laser beam, a photoconductor drum, and charging means which charges the photoconductor drum, which forms a latent image by radiating light emitted from the light emitting element on the charged photoconductor drum, and in which toner attaches to the latent image so that the image becomes visible, the image forming apparatus comprising: laser driving means arranged to cause the light emitting element to emit light with an intensity corresponding to a first emission level for printing, for a period of time corresponding to a pulse duty, on an image section of the latent image being formed on the photoconductor drum and to cause the light emitting element to emit light with an intensity corresponding to a second emission level for minute emission on a non-image section of the latent image being formed on the photoconductor drum; first light-intensity control means arranged to control a first driving current used to cause the light emitting element to emit light with an intensity corresponding to the first emission level, control of the first emission level being performed several times when a print job is executed; and second light-intensity control means arranged to control a second driving current used to cause the light emitting element to emit light with an intensity corresponding to the second emission level, control of the second emission level being performed several times when a print job is executed, wherein the laser driving means is configured to add the first driving current to the second driving current so as to cause the light emitting element to emit light by the intensity of light corresponding to the first emission level, and the first light-intensity control means is configured to control the first driving current to be added to the second driving current, with both the first driving current and the second driving current exceeding a threshold current for causing laser emission in the light emitting element. laser driving means arranged to cause the light emitting element to emit light with an intensity corresponding to a first emission level for printing, for a period of time corresponding to a pulse duty, on an image section of the latent image being formed on the photoconductor drum and to cause the light emitting element to emit light with an intensity corresponding to a second emission level for minute emission on a non-image section of the latent image being formed on the photoconductor drum; first light-intensity control means arranged to control a first driving current used to cause the light emitting element to emit light with an intensity corresponding to the first emission level, control of the first emission level being performed several times when a print job is executed; and second light-intensity control means arranged to control a second driving current used to cause the light emitting element to emit light with an intensity corresponding to the second emission level, control of the second emission level being performed several times when a print job is executed, wherein the laser driving means is configured to add the first driving current to the second driving current so as to cause the light emitting element to emit light by the intensity of light corresponding to the first emission level, and the first light-intensity control means is configured to control the first driving current to be added to the second driving current, with both the first driving current and the second driving current exceeding a threshold current for causing laser emission in the light emitting element.