An inkjet recording apparatus includes, among a plurality of branch conveyance passages, ones with different conveyance distances for a recording medium. Based on the timing of the sensing of the recording medium by a recording medium sensor, a controller controls a switching portion to make it switch the destination of the conveyance of the recording medium to one of the branch conveyance passages.

The laminator includes a rack, at least a pair of a first roller and a second roller jointly providing extrusion to a film that passes between the first and second rollers, and at least one film jamming prevention device provided downstream from the first and second rollers along an extrusion direction. Each of the first and second rollers has two ends respectively and rotably mounted on the rack, and both first and second rollers are configured circumferentially with a number of annular slots at intervals. The at least one film jamming prevention device includes a base piece and a number of blades configured at intervals along a side of the base piece, and each blade protrudes from the base piece into an annular slot. The laminator, as described, is capable of preventing film jamming from happening, rather than resolving jamming after it occurs.

The laminator includes a rack, at least a pair of a first roller and a second roller jointly providing extrusion to a film that passes between the first and second rollers, and at least one film jamming prevention device provided downstream from the first and second rollers along an extrusion direction. Each of the first and second rollers has two ends respectively and rotably mounted on the rack, and both first and second rollers are configured circumferentially with a number of annular slots at intervals. The at least one film jamming prevention device includes a base piece and a number of blades configured at intervals along a side of the base piece, and each blade protrudes from the base piece into an annular slot. The laminator, as described, is capable of preventing film jamming from happening, rather than resolving jamming after it occurs.

In some examples, a sheet processing machine includes at least one sensor device that includes at least two sensors configured as a camera. The sheet processing machine further includes at least one infeed system. The at least one sensor device is configured to control, by open-loop control and/or closed-loop control, at least one servo drive of the infeed system as a function of at least one sheet of sheets being detected by the at least two sensors. The at least two sensors are configured to selectively detect at least one edge and/or printing mark of the sheets. Some examples likewise relate to a method for controlling, by open-loop control and/or closed-loop control, at least one component of a sheet processing machine.

In some examples, a sheet processing machine includes at least one sensor device that includes at least two sensors configured as a camera. The sheet processing machine further includes at least one infeed system. The at least one sensor device is configured to control, by open-loop control and/or closed-loop control, at least one servo drive of the infeed system as a function of at least one sheet of sheets being detected by the at least two sensors. The at least two sensors are configured to selectively detect at least one edge and/or printing mark of the sheets. Some examples likewise relate to a method for controlling, by open-loop control and/or closed-loop control, at least one component of a sheet processing machine.

The invention relates to a sheet alignment device (5) for a machine for the processing of sheets (B) consisting of a thin, flat material such as paper, cardboard or film, with a feed section, at least one sensor (30, 32) for determining the position and/or alignment of the sheet (B) and also at least two alignment modules (10), each having an alignment roller (12), to which a drive device (14) is assigned in each case, whereby there is assigned to each alignment module (10) a swivel device (16), with which the alignment roller (10) can be swivelled around a swivel axis (A) perpendicular to the feed section. The invention relates also to a machine for the processing of sheets (B) consisting of a thin, flat material such as paper, cardboard or film, whereby a sheet alignment device (5) of the aforementioned type is provided. The invention relates finally to a method for the aligning of a sheet (B) consisting of thin, flat material such as paper, cardboard or film by means of the following steps: the alignment of the sheet (B) is determined, the sheet (B) is speeded up, turned and/or displaced laterally by means of at least two alignment rollers (12), controllable with regard to circumferential speed and alignment, on a feed section.

The invention relates to a sheet alignment device (5) for a machine for the processing of sheets (B) consisting of a thin, flat material such as paper, cardboard or film, with a feed section, at least one sensor (30, 32) for determining the position and/or alignment of the sheet (B) and also at least two alignment modules (10), each having an alignment roller (12), to which a drive device (14) is assigned in each case, whereby there is assigned to each alignment module (10) a swivel device (16), with which the alignment roller (10) can be swivelled around a swivel axis (A) perpendicular to the feed section. The invention relates also to a machine for the processing of sheets (B) consisting of a thin, flat material such as paper, cardboard or film, whereby a sheet alignment device (5) of the aforementioned type is provided. The invention relates finally to a method for the aligning of a sheet (B) consisting of thin, flat material such as paper, cardboard or film by means of the following steps: the alignment of the sheet (B) is determined, the sheet (B) is speeded up, turned and/or displaced laterally by means of at least two alignment rollers (12), controllable with regard to circumferential speed and alignment, on a feed section.

A print device includes: a first opening via which a print medium is to be inserted or ejected; a second opening via which the print medium is to be ejected; a transport roller that transports the print medium; a housing that contains a transport route; a first sensor that detects presence of the print medium; and a second sensor that detects the presence of the print medium on an upstream side of the first sensor; and a processor. When a command designates the print medium to be ejected to the outside via the second opening and a length of the print medium determined from the detection states of the first and the second sensors is shorter than or equal to a predetermined length, the processor ejects the print medium to the outside via the first opening.

A print device includes: a first opening via which a print medium is to be inserted or ejected; a second opening via which the print medium is to be ejected; a transport roller that transports the print medium; a housing that contains a transport route; a first sensor that detects presence of the print medium; and a second sensor that detects the presence of the print medium on an upstream side of the first sensor; and a processor. When a command designates the print medium to be ejected to the outside via the second opening and a length of the print medium determined from the detection states of the first and the second sensors is shorter than or equal to a predetermined length, the processor ejects the print medium to the outside via the first opening.

In an example of the disclosure, a driver correction specification is calculated based upon a time differential between a first sensor detection of a first portion of a leading edge of a media sheet and second sensor detection of a second portion of the leading edge. The driver correction specification is for causing skew correction of the media sheet as the media sheet moves along a media path to impact a blocker element. The driver is caused to operate according to the calculated driver correction specification.