The invention relates to a recovery device (10) for recovering sample blanks (P) for a processing machine (1) for processing elements in sheet form, the processing machine (1) comprising: a plurality of work stations (300, 400, 500, 600) including at least one waste removal station (600), and a conveying device (70) comprising a plurality of gripper bars (75) configured to drive the elements in sheet form through the work stations (300, 400, 500, 600),
the recovery device (10) being characterized in that it comprises: a first removal belt (94), and a second removal belt (95) arranged after the first removal belt (94) in relation to the direction of travel (D) of the sheets, the second removal belt (94) being able to move between:
a continuous-conveying position in which first ends (94a, 95a) of the first and second removal belts (94, 95) are close together so that sheet form element waste (F) can be conveyed from the first removal belt (94) to the second removal belt (95), and
a raised position in which the first end (95a) of the second removal belt (95) has pivoted upward, creating a gap (11) between the first removal belt (94) and the second removal belt (95), so that at least one sample of blanks (P) conveyed by the first removal belt (94) tips into the gap (11).

The present invention also relates to a waste removal station and a processing machine for processing elements in sheet form.

An inkjet printer and a method for controlling an inkjet printer are disclosed. The inkjet printer is provided with an endless transport belt for transporting a medium to be printed; at least one roller for driving the transport belt and at least one additional roller for driving and/or suspending the transport belt; a detection system configured to detect a deformation of the transport belt including at least an in-plane bending deformation of at least a stretch of the transport belt and to generate at least one deformation signal indicating the detected deformation; an actuator assembly configured to change a position and/or orientation of at least one of the rollers of the inkjet printer; and a controller configured to control the actuator assembly based on the at least one deformation signal.

An inkjet printer and a method for controlling an inkjet printer are disclosed. The inkjet printer is provided with an endless transport belt for transporting a medium to be printed; at least one roller for driving the transport belt and at least one additional roller for driving and/or suspending the transport belt; a detection system configured to detect a deformation of the transport belt including at least an in-plane bending deformation of at least a stretch of the transport belt and to generate at least one deformation signal indicating the detected deformation; an actuator assembly configured to change a position and/or orientation of at least one of the rollers of the inkjet printer; and a controller configured to control the actuator assembly based on the at least one deformation signal.

According to an example, printed media stack alignment may include actuating a belt and a paddle to shift first and second sheets to a stopper position represented by register of the first and second sheets against a stopper. The stopper may be actuated to shift the first and second sheets to an eject position, where the eject position is intermediate to a sheet deposit position and the stopper position. The belt and the paddle may be actuated to shift the first sheet, the second sheet, and a third sheet received at the sheet deposit position to the stopper position. The stopper may be actuated to shift the first, second, and third sheets to the eject position. Further, an ejector may be actuated to eject a stack including the first, second, and third sheets from the eject position.

According to an example, printed media stack alignment may include actuating a belt and a paddle to shift first and second sheets to a stopper position represented by register of the first and second sheets against a stopper. The stopper may be actuated to shift the first and second sheets to an eject position, where the eject position is intermediate to a sheet deposit position and the stopper position. The belt and the paddle may be actuated to shift the first sheet, the second sheet, and a third sheet received at the sheet deposit position to the stopper position. The stopper may be actuated to shift the first, second, and third sheets to the eject position. Further, an ejector may be actuated to eject a stack including the first, second, and third sheets from the eject position.

An apparatus for controlling curl in sheets between two transports includes a curved baffle placed between the two transports. A thin layer of high velocity air is applied to the curved baffle. The high velocity air layer, which will have a tendency to follow the curved baffle (Coanda effect), will divert sheets (Bernoulli effect) towards the curved baffle. By positioning the curved baffle between the two transports and by applying a uniform air stream to it, a lower pressure area will be created. This will flatten the trajectory of the sheets and ensure acquisition by the downstream transport.

An apparatus for controlling curl in sheets between two transports includes a curved baffle placed between the two transports. A thin layer of high velocity air is applied to the curved baffle. The high velocity air layer, which will have a tendency to follow the curved baffle (Coanda effect), will divert sheets (Bernoulli effect) towards the curved baffle. By positioning the curved baffle between the two transports and by applying a uniform air stream to it, a lower pressure area will be created. This will flatten the trajectory of the sheets and ensure acquisition by the downstream transport.

Disclosed is a conveying apparatus and method for conveying a tire layer, wherein the conveying apparatus includes a swivel conveyor with at least one endless belt or wire, a first pulley, a second pulley and a third pulley that define a minimal loop (L) for guiding the endless belt or wire along a conveying run and a return run, wherein the third pulley is arranged between the conveying run and the return run, and is swivable about a swivel axis (X) between a first swivel position and a second swivel position. The pivot position is chosen such that the length of the minimal loop when the third pulley is in the first swivel position is the same within a tolerance of less than 1 percent with respect to the length of the minimal loop when the third pulley is in the second swivel position.

Disclosed is a conveying apparatus and method for conveying a tire layer, wherein the conveying apparatus includes a swivel conveyor with at least one endless belt or wire, a first pulley, a second pulley and a third pulley that define a minimal loop (L) for guiding the endless belt or wire along a conveying run and a return run, wherein the third pulley is arranged between the conveying run and the return run, and is swivable about a swivel axis (X) between a first swivel position and a second swivel position. The pivot position is chosen such that the length of the minimal loop when the third pulley is in the first swivel position is the same within a tolerance of less than 1 percent with respect to the length of the minimal loop when the third pulley is in the second swivel position.

An image forming apparatus includes a first roller having a first portion between tapered portions, which are at each end of the first portion. An outer diameter of each tapered portion decreases with distance from the first portion along a width direction of the first roller. A second roller has a second portion facing the first portion of the first roller and third portions, which are at each end of the second portion. The third portions face the tapered portions of the first roller. A belt of the image forming apparatus has an inner surface contacting the first portion of the first roller and an outer surface forming a nip with the second portion of the second roller. The belt has a protruding portion on the inner surface at each end of the belt in the width direction. The protruding portions face the tapered portions of the first roller.