Image forming apparatus
First Claim
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1. An image forming apparatus comprising:
- an image forming device configured to form an image on a sheet;
a fixing unit configured to fix the image formed on the sheet by heating the sheet with the image formed thereon to a fixing temperature;
a temperature sensor configured to detect an ambient temperature of the apparatus;
a humidity sensor configured to detect ambient humidity of the apparatus;
a scanner device configured to read an image on a document, the scanner device including a carriage moveable between a home position and a predetermined position near the fixing unit and above the fixing unit; and
a control unit configured to;
determine whether an environment of the apparatus is a dew condensation environment, based on detection information of the temperature sensor and the humidity sensor, andwhen it is determined that the environment of the apparatus is the dew condensation environment, turn ON the fixing unit, control a heating temperature of the fixing unit to be lower than the fixing temperature, and control a movement of the carriage such that the carriage moves to the predetermined position.
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Abstract
According to an embodiment, provided is an image forming apparatus including a temperature sensor, a humidity sensor, and a control unit. The control unit determines whether an environment of the apparatus is a dew condensation environment, based on a temperature of the apparatus detected by the temperature sensor and humidity in the apparatus detected by the humidity sensor. The control unit turns ON a dew condensation preventing heater when determining that the environment of the apparatus is the dew condensation environment in a case where a main power source of the apparatus is in an OFF state or the apparatus is in a power saving mode.
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Citations
9 Claims
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1. An image forming apparatus comprising:
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an image forming device configured to form an image on a sheet; a fixing unit configured to fix the image formed on the sheet by heating the sheet with the image formed thereon to a fixing temperature; a temperature sensor configured to detect an ambient temperature of the apparatus; a humidity sensor configured to detect ambient humidity of the apparatus; a scanner device configured to read an image on a document, the scanner device including a carriage moveable between a home position and a predetermined position near the fixing unit and above the fixing unit; and a control unit configured to; determine whether an environment of the apparatus is a dew condensation environment, based on detection information of the temperature sensor and the humidity sensor, and when it is determined that the environment of the apparatus is the dew condensation environment, turn ON the fixing unit, control a heating temperature of the fixing unit to be lower than the fixing temperature, and control a movement of the carriage such that the carriage moves to the predetermined position.
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2. An image forming apparatus comprising:
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a scanner device configured to read an image on a document, the scanner device including a moveable carriage; an image forming device configured to form an image on a sheet based on the image read by the scanner device; a fixing unit configured to fix the image formed on the sheet by heating the sheet with the image formed thereon to a fixing temperature; a temperature sensor configured to detect an ambient temperature of the apparatus; a humidity sensor configured to detect ambient humidity of the apparatus; and a control unit configured to; determine whether an environment of the apparatus is a dew condensation environment, based on detection information of the temperature sensor and the humidity sensor, and when it is determined that the environment of the apparatus is the dew condensation environment, turn ON the fixing unit and control a movement of the carriage such that the carriage moves to a predetermined position above the fixing unit. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
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Specification