A processor of an MFP generates a first additional image based on an image in a designated region of a document. Furthermore, the processor of the MFP generates a second additional image showing a difference between the document and a document before revision of the document. Then, the processor of the MFP registers the first additional image and the second additional image on a server in association with a marker image showing the revised edition number of the document.

An image forming apparatus includes an electric wire and an electric box. The electric box extends substantially horizontally and includes a wire connector coupled to the electric wire. A body face exposes the wire connector. An outer cover covers the body face. The outer cover includes a slot and a wire accommodator. The slot is disposed opposite the wire connector to expose the wire connector to an outside of the image forming apparatus. The wire accommodator accommodates the electric wire.

An image reading device is movable between a first position and a second position spaced farther apart from an image forming device than the first position, and a regulating member configured to regulate respective positions of two cables maintains, when the image reading device is at the first position, the two cables, respectively, in a bent state in a direction away from each other.

An operation system includes: an operation apparatus that includes a display displaying information and an operation unit receiving an operation, is connected to a communication network, and, using the display and the operation unit, enables other apparatus to operate through the communication network; an operation target apparatus that is connected to the operation apparatus in parallel using the communication network and a direct connection line and receives an operation through the communication network; a connection storing unit that is built in the operation apparatus, is connected to the operation target apparatus through the communication network and stores connection information used for operating the operation target apparatus; and a search device as defined herein, and the search device includes: a first information acquiring unit; a second information acquiring unit; an apparatus specifying unit; and a storage instructing unit as defined herein.

An image reading apparatus includes a scanner unit configured to read a document, a document feed unit provided above the scanner unit and configured to feed the document and read the fed document, a first substrate configured to control an operation of the scanner unit, and a second substrate configured to control an operation of the document feed unit, wherein the first substrate and the second substrate are provided in a substrate placement section of the document feed unit.

An image reading apparatus includes an image scanning unit that is provided with a holding portion holding a flexible flat cable. The holding portion is protruded toward an upstream side in a sub scanning direction, and provided with a second wall part. The flexible flat cable that is extended from a connector is brought into contact with the second wall part. As for the flexible flat cable, a downward movement is regulated by a lower holding portion and an upward movement is regulated by an upper holding portion. Accordingly, the flexible flat cable does not rise.

An image forming apparatus includes an image memory, an image receiving unit, an image determination unit, an image search unit, an image forming unit, and an image converter. The image memory stores replacement image data. The image receiving unit receives image data from the outside. The image determination unit determines whether the received-image data includes to-be-replaced image data. The image search unit searches, in a case where it is determined that the received-image data includes the to-be-replaced image data, the image memory for replacement image data corresponding to the to-be-replaced image data. The image forming unit forms an image. The image converter converts, in a case where the corresponding replacement image data is detected, the received-image data into to-be-output image data in which the to-be-replaced image data is replaced with the corresponding replacement image data, and causes an image based on the to-be-output image data to be formed.

The CPU of a personal computer displays a list of one-click icons, each representing one or a plurality of printing functions, in the icon display area, and selects one one-click icon from the list of the one-click icons displayed in the icon display area, to automatically set a plurality of printing functions corresponding to the selected one-click icons.

A noise suppressing device includes a first circuit board not being grounded; a second circuit board connected to the first circuit board through a transmission line including a signal line that transmits a high-frequency signal and a ground line, the second circuit board including a ground layer being grounded; and a high-frequency reducing element that is arranged between the ground layer of the second circuit board and the ground line of the transmission line and that reduces a high-frequency signal excited at the ground line of the transmission line.

An image forming system includes an image forming apparatus. The image forming apparatus includes an image forming unit, a housing, an apparatus controller, and an apparatus power supply. The apparatus power supply is configured to generate a control voltage that is supplied to the apparatus controller and an apparatus drive voltage that is supplied to the image forming unit, the apparatus power supply including an output terminal from which the control voltage is outputted. The image forming apparatus includes a first connection terminal, and a second connection terminal. The apparatus controller is configured to transmit a change command via the second connection terminal and change an operation status of the apparatus power supply after the apparatus controller receives information in response to the change command. The image forming system can also include an option device connected to the first and second connection terminals.