Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image-forming apparatus
The invention provides an electrophotographic photoreceptor for use in an image-forming apparatus comprising a charging unit which charges an electrophotographic photoreceptor, an exposure unit which exposes the charged electrophotographic photoreceptor to light to form an electrostatic latent image on the electrophotographic photoreceptor, and a developing unit which develops the electrostatic latent image, wherein the electrophotographic photoreceptor comprises a conductive substrate and a photosensitive layer and the photosensitive layer contains a compound represented by the following formula (1).
1. An electrophotographic photoreceptor an image-forming apparatus, comprising:
a charging unit which charges an electrophotographic photoreceptor;
an exposure unit which exposes the charged electrophotographic photoreceptor to light to form an electrostatic latent image on the electrophotographic photoreceptor; and
a developing unit which develops the electrostatic latent image,
wherein the electrophotographic photoreceptor comprises a conductive substrate and a photosensitive layer,
the photosensitive layer comprises a compound of formula (1):
wherein R 1 and R 2 each independently represent an organic group having 30 carbon atoms or less and X represents a saturated hydrocarbon group having 3-30 carbon atoms, and
the exposure unit comprises an LED.
2. An electrophotographic photoreceptor for an image-forming apparatus, comprising:
a charging unit which charges an electrophotographic photoreceptor;
an exposure unit which exposes the charged electrophotographic photoreceptor to light to form an electrostatic latent image on the electrophotographic photoreceptor; and
a developing unit which develops the electrostatic latent image,
wherein
the electrophotographic photoreceptor comprises a conductive substrate and a photosensitive layer,
the photosensitive layer comprises a compound of formula (1):
wherein R 1 and R 2 each independently represent an organic group having 30 carbon atoms or less and X represents a saturated hydrocarbon group having 3-30 carbon atoms and
a resolution of the electrostatic latent image is 1,200 dpi or higher.
3. An electrophotographic photoreceptor for an image-forming apparatus, comprising:
a charging unit which charges an electrophotographic photoreceptor;
an exposure unit which exposes the charged electrophotographic photoreceptor to light to form an electrostatic latent image on the electrophotographic photoreceptor; and
a developing unit which develops the electrostatic latent image with a toner,
wherein
the electrophotographic photoreceptor comprises a conductive substrate and a photosensitive layer,
the photosensitive layer comprises a compound of formula (1):
wherein R 1 and R 2 each independently represent an organic group having 30 carbon atoms or less and X represents a saturated hydrocarbon group having 3-30 carbon atoms and
an average degree of circularity of the toner is from 0.94 to 1.00 as determined with a flow-type particle image analyzer.
4. An electrophotographic photoreceptor for a full-color tandem image-forming apparatus comprising:
a charging unit which charges an electrophotographic photoreceptor;
an exposure unit which exposes the charged electrophotographic photoreceptor to light to form an electrostatic latent image on the electrophotographic photoreceptor; and
a developing unit which develops the electrostatic latent image,
wherein
the electrophotographic photoreceptor comprises a conductive substrate and a photosensitive layer, and
the photosensitive layer comprises a compound of formula (1):
wherein R 1 and R 2 each independently represent an organic group having 30 carbon atoms or less and X represents a saturated hydrocarbon group having 3-30 carbon atoms.
5. The electrophotographic photoreceptor according to any one of claim 1 to claim 4 , wherein at least one of R 1 , R 2 , and X in formula (1) has a cyclic structure.
6. The electrophotographic photoreceptor according to any one of claim 1 to claim 4 , wherein the photosensitive layer further comprises a hydrazone compound.
7. The electrophotographic photoreceptor according to any one of claim 1 to claim 4 , wherein the photosensitive layer further comprises a a diamine compound.
8. The electrophotographic photoreceptor according to any one of claim 1 to claim 4 , which comprises a polyamide resin.
9. The electrophotographic photoreceptor according to any one of claim 1 to claim 4 , wherein the photosensitive layer further comprises a polyarylate resin.
10. The electrophotographic photoreceptor according to any one of claim 1 to claim 4 , wherein the photosensitive layer further comprises a binder resin comprising a repeating structure of formula (2):
11. An electrophotographic photoreceptor cartridge comprising:
the electrophotographic photoreceptor according to any one of claim 1 to claim 4 ; and
at least one selected from the group consisting of a charging unit which charges the electrophotographic photoreceptor, an exposure unit which exposes the charged electrophotographic photoreceptor to light to form an electrostatic latent image on the electrophotographic photoreceptor, a developing unit which develops the electrostatic latent image, and a cleaning unit which cleans the surface of the electrophotographic photoreceptor.
12. An image-forming apparatus comprising:
a charging unit which charges an electrophotographic photoreceptor having a photosensitive layer;
an exposure unit which exposes the charged electrophotographic photoreceptor to light to form an electrostatic latent image on the electrophotographic photoreceptor; and
a developing unit which develops the electrostatic latent image,
wherein
the photosensitive layer comprises a compound of formula (1):
wherein R 1 and R 2 each independently represent an organic group having 30 carbon atoms or less and X represents a saturated hydrocarbon group having 3-30 carbon atoms and
the exposure unit comprises an LED.
13. An image-forming apparatus comprising:
a charging unit which charges an electrophotographic photoreceptor having a photosensitive layer;
an exposure unit which exposes the charged electrophotographic photoreceptor to light to form an electrostatic latent image on the electrophotographic photoreceptor; and
a developing unit which develops the electrostatic latent image,
wherein
the photosensitive layer comprises a compound of formula (1):
wherein R 1 and R 2 each independently represent an organic group having 30 carbon atoms or less and X represents a saturated hydrocarbon group having 3-30 carbon atoms and
a resolution of the electrostatic latent image is 1,200 dpi or higher.
14. An image-forming apparatus comprising:
a charging unit which charges an electrophotographic photoreceptor having a photosensitive layer;
an exposure unit which exposes the charged electrophotographic photoreceptor to light to form an electrostatic latent image on the electrophotographic photoreceptor; and
a developing unit which develops the electrostatic latent image with a toner,
wherein
the photosensitive layer comprises a compound of formula (1):
wherein R 1 and R 2 each independently represent an organic group having 30 carbon atoms or less and X represents a saturated hydrocarbon group having 3-30 carbon atoms and
an average degree of circularity of the toner is from 0.94 to 1.00 as determined with a flow-type particle image analyzer.
15. A full-color tandem image-forming apparatus comprising:
a charging unit which charges an electrophotographic photoreceptor having a photosensitive layer;
an exposure unit which exposes the charged electrophotographic photoreceptor to light to form an electrostatic latent image on the electrophotographic photoreceptor; and
a developing unit which develops the electrostatic latent image,
wherein
the photosensitive layer comprises a compound of formula (1):
wherein R 1 and R 2 each independently represent an organic group having 30 carbon atoms or less and X represents a saturated hydrocarbon group having 3-30 carbon atoms.