A steel stamping tool includes a base and a cover removably mounted to the top of the base. Multiple stamps are accommodated in an accommodating space form between the base and the cover. The cover includes an extension extending from one of two ends of the cover, and at least one passage is defined vertically through the extension. The cover is removed from the base and the one stamp is picked from the accommodation space and inserted through the at least one passage. The stamp in the passage is not radially rotatable. A work end of the stamp is located in the concaved space and contacts an object. By striking a striking end of the stamp that is exposed on the top face of the extension, the work end of the stamp embosses the object.

A printing apparatus including: a first roller mechanism including: a first shaft part having a first gear; and a first roller in which the first shaft part is inserted; and a second roller mechanism including: a movable holder configured to be moved in directions coming close to and being separated from a printing medium by a displacement mechanism; a second shaft part which is rotatably supported on the movable holder and having a second gear; a second roller in which the second shaft part is inserted, tiltable with respect to a shaft center of the second shaft part, and having an engaging groove recessed in an inner peripheral surface of an intermediate part of the second roller in a shaft center direction; and a protrusion protruding from an outer peripheral surface of the second shaft part and engaged with the engaging groove of the second roller.

A printing apparatus including: a first roller mechanism including: a first shaft part having a first gear; and a first roller in which the first shaft part is inserted; and a second roller mechanism including: a movable holder configured to be moved in directions coming close to and being separated from a printing medium by a displacement mechanism; a second shaft part which is rotatably supported on the movable holder and having a second gear; a second roller in which the second shaft part is inserted, tiltable with respect to a shaft center of the second shaft part, and having an engaging groove recessed in an inner peripheral surface of an intermediate part of the second roller in a shaft center direction; and a protrusion protruding from an outer peripheral surface of the second shaft part and engaged with the engaging groove of the second roller.

A printer that performs printing on a medium while being manually moved relative to the medium, includes a job acquisition unit that acquires a print job in which a movement direction of the printer as seen from the printer is designated, a print head that performs printing on the medium based on the print job while the printer is moved, and a direction notification unit that notifies a user of a designated direction as the movement direction of the printer designated by the print job before the movement of the printer is started.

A handheld printing device includes a printing mechanism and a light source. The printing mechanism prints a swath of print material onto a print medium as the handheld printing device is moved across the print medium. The light source projects onto the print medium a light box. The light box has top and bottom edges corresponding to the swath and indicating where the printing mechanism will print the swath as the handheld printing device is moved across the print medium.

A handheld printing device includes a printing mechanism and a light source. The printing mechanism prints a swath of print material onto a print medium as the handheld printing device is moved across the print medium. The light source projects onto the print medium a light box. The light box has top and bottom edges corresponding to the swath and indicating where the printing mechanism will print the swath as the handheld printing device is moved across the print medium.

An image forming apparatus includes a recording device and an apparatus body to internally house the recording device. The apparatus body includes an attachment unit to be removably mounted in the apparatus body and an apparatus body-side connector. The attachment unit includes an attachment-side connector to be electrically connected to the apparatus body-side connector. The apparatus body also includes a pressing portion to press the attachment unit in a direction in which the attachment-side connector faces the apparatus body-side connector in a state where the attachment unit is attached to the apparatus body. The direction is orthogonal to a mounting direction of the attachment unit. The apparatus body further includes a movable member holding the pressing portion movable between a first position where the pressing portion is closest to the apparatus body-side connector and a second position where the pressing portion is farthest from the apparatus body-side connector.

An image forming apparatus includes a recording device and an apparatus body to internally house the recording device. The apparatus body includes an attachment unit to be removably mounted in the apparatus body and an apparatus body-side connector. The attachment unit includes an attachment-side connector to be electrically connected to the apparatus body-side connector. The apparatus body also includes a pressing portion to press the attachment unit in a direction in which the attachment-side connector faces the apparatus body-side connector in a state where the attachment unit is attached to the apparatus body. The direction is orthogonal to a mounting direction of the attachment unit. The apparatus body further includes a movable member holding the pressing portion movable between a first position where the pressing portion is closest to the apparatus body-side connector and a second position where the pressing portion is farthest from the apparatus body-side connector.

According to one embodiment, a mobile printer includes a first housing, a second housing, a hinge, and a print head. The first housing has a first surface on which a printing medium can be disposed. The second housing faces the first surface. The hinge connects the first housing and the second housing and permits the first and second housings to rotate relative to each other. The print head is provided in the second housing and is configured to print an image by discharging on to the print medium when the print medium is on the first surface between the first and second housings.

According to one embodiment, a mobile printer includes a first housing, a second housing, a hinge, and a print head. The first housing has a first surface on which a printing medium can be disposed. The second housing faces the first surface. The hinge connects the first housing and the second housing and permits the first and second housings to rotate relative to each other. The print head is provided in the second housing and is configured to print an image by discharging on to the print medium when the print medium is on the first surface between the first and second housings.