| 摘要 |
A printing apparatus includes an image forming section which forms a toner image of the image to be printed on a recording medium; a transport belt which transports the toner image formed by the image forming section; a light-emitting section which emits a light to the transport belt; a first light-receiving section which is disposed at a position through which a regular reflection light, of the light emitted from the light-emitting section, reflected from the transport belt passes; a second light-receiving section which is disposed at a position different from the position of the first light-receiving section; a transmissive member which is disposed at a position through which the light emitted from the light-emitting section and a reflection light, of the light, reflected from the transport belt pass and which transmits the light and the reflection light.
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