Abstract: In an example, a print apparatus may include a print head assembly and a maintenance cartridge. An example maintenance cartridge may include a wiper system. An example wiper system may include a web wipe and a plurality of independently biased members adjacent each other with respect to a width of the web wipe. Another example wiper system may include a plurality of bias members, a plurality of carriers coupled to the plurality of bias members, and a plurality of rollers coupled to the plurality of carriers and located along a width of a wiping area.

Abstract: The present invention is directed at a printhead cleaning assembly, comprising: a frame; a wipe cartridge receptacle mounted on the frame, the receptacle being movable relative to the frame between a first receptacle position and a second receptacle position; a wipe cartridge fixing latch, mounted on the wipe cartridge receptacle, wherein the latch is movable between a closed position and an open position, wherein the latch is coupled to a lock/unlock mechanism that moves the latch between the closed position and the open position in response to a movement of the receptacle between the first receptacle position and the second receptacle position.

Abstract: In an example, a print apparatus may include a print head assembly and a maintenance cartridge. An example maintenance cartridge may include a wiper system. An example wiper system may include a web wipe and a plurality of independently biased members adjacent each other with respect to a width of the web wipe. Another example wiper system may include a plurality of bias members, a plurality of carriers coupled to the plurality of bias members, and a plurality of rollers coupled to the plurality of carriers and located along a width of a wiping area.

Abstract: In some examples, a printhead drop detector comprises a plurality of drop detection units to detect any drops passing through a sampling volume between the radiation source and the radiation detector. A radiation detector of a first drop detection unit and a radiation source of a second drop detection unit is arranged on a first side of the sampling volume and a radiation source of the first drop detection unit and a radiation detector of the second drop detection unit is arranged on the second side of the sampling volume. The distance between the first drop detection unit and the second drop detection unit is based on an angle of a beam producible by the first radiation source such that the beam is wide enough to cross into a portion of the sampling volume corresponding with the second drop detection unit.

Abstract: In an example, a print apparatus may include a print head assembly and a maintenance cartridge. An example maintenance cartridge may include a wiper system. An example wiper system may include a web wipe and a plurality of independently biased members adjacent each other with respect to a width of the web wipe. Another example wiper system may include a plurality of bias members, a plurality of carriers coupled to the plurality of bias members, and a plurality of rollers coupled to the plurality of carriers and located along a width of a wiping area.

Abstract: In one example in accordance with the present disclosure a drop detection device is described. The device includes an emitter member having a number of emitter cavities to relay a number of beams towards a number of detector cavities in a detector member. The device also includes a detector member that is spaced from the emitter member. The detector member includes a number of detector cavities to receive a number of beams from the number of emitter cavities. The device also includes a number of ribs coupled to both the emitter member and the detector member. The number of ribs space and align the emitter member and detector member and align the number of emitter cavities with the corresponding number of detector cavities.

Abstract: The present invention is directed at a printhead cleaning assembly, comprising: a frame; a wipe cartridge receptacle mounted on the frame, the receptacle being movable relative to the frame between a first receptacle position and a second receptacle position; a wipe cartridge fixing latch, mounted on the wipe cartridge receptacle, wherein the latch is movable between a closed position and an open position, wherein the latch is coupled to a lock/unlock mechanism that moves the latch between the closed position and the open position in response to a movement of the receptacle between the first receptacle position and the second receptacle position.