| 摘要 |
PROBLEM TO BE SOLVED: To prevent mechanical jitter from occurring and to reduce noise by providing a single driving source and plural transmission paths so that motive power may be transmitted from the driving source to plural actuation parts and transmitting the motive power to plural actuation parts through a timing belt driving means. SOLUTION: A photoreceptor drum 1 is uniformly electrified by an electrifier 17 and exposed based on image data by an optical scanning unit 9 so as to from an electrostatic latent image, which is developed with toner by a developing roller 16 in a developing device 4. Paper stored in a paper supply cassette 10 and carried to a pair of resist rollers 15 by a paper supply roller 11 is carried in specified timing and a toner image is transferred to the paper between the drum 1 and a transfer roller 14. At such a time, the motive power is transmitted from the single driving source 3 to the drum 1, the roller 15 in the device 4 and a heat roller 21 in a fixing device 5 through a 1st timing belt 6, a 2nd timing belt 7 and a 3rd timing belt 8.
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