A printing device includes a cleaning head configured to contact a cleaning member with the screen mask to perform a cleaning process on the screen mask, a moving section connectable and disconnectable to the cleaning head to move the cleaning head between a cleaning area and a standby area, a door member configured to open and close an opening portion through which the cleaning member passes when the cleaning member is moved from the standby area to an outside of the printing device and be lockable in a closed state, and a control section configured to unlock the door member in a state where the moving section is disconnected to the cleaning head and the cleaning head is located in the standby area.

In some examples, an access point that leads into a safety zone of a roll unwinder or winder is monitored by a monitoring sensor system. The monitoring sensor system includes two scanners having respective measuring beams that pass over an angular region situated in the same plane extending in an opening. The access point is monitored in a pattern of multiple protection fields having various sizes and/or shapes. Multiple ones of the protection fields are encompassed by a next-larger and/or next-wider protection field, entirely or at least viewed in the width and toward the top. The scan images of the two scanners are checked for a breach of the relevant protection fields in differing, adjoining, or overlapping partial regions of the plane. Information about the permissibility of a determined protection field breach is derived by evaluation of breach patterns of breached protection fields obtained in the two partial regions.

A gas collection device of a printing press includes an organic compound treatment system (33) including a gas chamber (34). The device includes a cover (3) configured to cover a print unit (2) of a printing press. The device includes a gas transfer device (4) configured to suck a gas of a volatile organic compound produced in the print unit (2) from the inside of the cover 3 and transfer the gas to the gas chamber (34). It is possible to provide a gas collection device of a printing press, which can prevent a work environment in which the printing press is installed from being deteriorated by the gas of the volatile organic compound.

A printing device includes a cleaning head configured to contact a cleaning member with the screen mask to perform a cleaning process on the screen mask, a moving section connectable and disconnectable to the cleaning head to move the cleaning head between a cleaning area and a standby area, a door member configured to open and close an opening portion through which the cleaning member passes when the cleaning member is moved from the standby area to an outside of the printing device and be lockable in a closed state, and a control section configured to unlock the door member in a state where the moving section is disconnected to the cleaning head and the cleaning head is located in the standby area.

A printing press (10) has at least one electric motor (14), which is arranged at a distance of less than 0.5 m from an emission source (18). At least one explosion protection wall (22) is provided, such that the thread measure (F) between the emission source (18) and the electric motor (14) is greater than 0.5 m.

In some examples, an access point that leads into a safety zone of a roll unwinder or winder is monitored by a monitoring sensor system. The monitoring sensor system includes two scanners having respective measuring beams that pass over an angular region situated in the same plane extending in an opening. The access point is monitored in a pattern of multiple protection fields having various sizes and/or shapes. Multiple ones of the protection fields are encompassed by a next-larger and/or next-wider protection field, entirely or at least viewed in the width and toward the top. The scan images of the two scanners are checked for a breach of the relevant protection fields in differing, adjoining, or overlapping partial regions of the plane. Information about the permissibility of a determined protection field breach is derived by evaluation of breach patterns of breached protection fields obtained in the two partial regions.

The invention relates to a mobile window apparatus and a hot foil stamping device including the apparatus. The mobile window apparatus comprises at least one first window portion, the first window portion movable in a first direction; at least one second window portion movable in a second direction different from the first direction; and an actuating means configured to move the first window and the second window, respectively; wherein said actuating means moves said first window portion and said second window portion between a closed position and an open position, in said open position, said first window portion and said second window portion being spaced apart from each other to form an access opening, and in said closed position, the first window portion and the second window portion are close to each other so as to substantially shield the access opening and to keep a gap between the first window portion and the second window portion for passing through a sheet material for processed.

There is provided a printer apparatus including a cushioning member coping with a weight increase of an upper cover. The printer apparatus includes a lower housing, the upper cover, and the cushioning member. The lower housing has an opening on one surface. The upper cover is rotatably connected to the lower housing and covers the opening. The cushioning member includes a cylinder that is fixed to the lower housing and has a cylindrical shape with different inner diameters in a longitudinal direction, a piston that can reciprocate along the longitudinal direction in the cylinder, and a piston rod that moves the piston along an inner wall of the cylinder and is fixed to the upper cover.

The invention relates to a mobile window apparatus and a hot foil stamping device including the apparatus. The mobile window apparatus comprises at least one first window portion, the first window portion movable in a first direction; at least one second window portion movable in a second direction different from the first direction; and an actuating means configured to move the first window and the second window, respectively; wherein said actuating means moves said first window portion and said second window portion between a closed position and an open position, in said open position, said first window portion and said second window portion being spaced apart from each other to form an access opening, and in said closed position, the first window portion and the second window portion are close to each other so as to substantially shield the access opening and to keep a gap between the first window portion and the second window portion for passing through a sheet material for processed.

A replacement unit for a printing device includes a moving section to receive an accommodation rack having multiple shelf sections for accommodating a printing-related member for use in the printing device and to move the accommodation rack between a replacement position where to replace the printing-related member and a standby position which lies further downwards than the replacement position and a region detection section configured to detect an object existing in a predetermined first detection region lying around a circumference of the replacement unit when the accommodation rack exists outside a predetermined movement region which lies between the standby position and the replacement position, while being configured to detect an object existing in a second detection region which is different from the first detection region when the accommodation rack exists inside the movement region.