发明授权
US08498558B2 Image forming apparatus, control device, detecting method of reference index on transfer body, and computer readable medium 有权
图像形成装置,控制装置,转印体上的参考指数的检测方法以及计算机可读介质

Image forming apparatus, control device, detecting method of reference index on transfer body, and computer readable medium
摘要:
An image forming apparatus includes: a latent image forming unit forming a latent image; a transfer body on which a reference index for setting an output start time point of image data is formed; a detecting unit facing the reference index and outputting a detection signal changing in accordance with passing of the reference index; a measuring unit measuring change duration time; and a controller controlling the output start time point with the detection signal. The controller starts a first period during which change of the detection signal is ignored, according to first change of the detection signal, starts a second period after the first period, regards change of the detection signal occurring first in the second period as a reference of the output start time point if the change duration time is longer than a predetermined period, and ignores change of the detection signal after the change occurring first.
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