Abstract: A printer includes a plurality of jetting modules each including a first alignment feature, a plurality of nozzles through which fluid may be jetted and fluid and electrical connections; a printhead frame having a plurality of jetting-module receiving receptacles each of which receives one of the jetting modules, each receiving receptacle having a second alignment feature corresponding to the first alignment feature of a jetting module: a jetting module installation device having a pocket for receiving a jetting module, wherein the jetting module installation device includes a latch mechanism that, in a first position, is latched to the printhead frame securing the jetting module in a jetting module receiving receptacle with the first alignment feature engaging a corresponding second alignment feature of the printhead frame; the latch mechanism that, in a second position, is unlatched from the printhead frame so that the jetting module is not secured in the jetting module receiving receptacle; and wherein the

Abstract: A method of forming print drops includes forming drops of a first size by applying drop forming energy pulses during a unit time period, ?0; forming drops of a second size by applying drop forming energy pulses during a second drop time period, ?m, wherein the second drop time period is a multiple, m, of the unit time period, ?m=m*?0, m?2; providing timing between drops for printing consecutive pixels is ?i=a*?0 where a is an integer?m; forming non-print drops and print drops according to the liquid pattern data; delaying the timing of the pulses for the drop forming energy pulses sent to the drop forming transducers of group number g relative to the drop forming energy pulses sent to the transducers of a first group by a delay time ?L, where ?L=g*(INT(a/n)+1/n)*?0+?b where g is an integer<n.

Abstract: A method for operating a continuous inkjet printer, the method includes forming drops with a drop formation period being the time between consecutive drop formations; creating a portion of the drops that strike the print media for forming print drops; creating a portion of the created drops that do not strike the print media for forming catch drops; creating the print drops to print on a series of consecutive pixel locations; wherein a time between the creation of consecutive print drops is inconsistent which causes an additional catch drop so that a gap is created; wherein when a gap is created, adjusting a velocity of the print drop adjacent to the gap to cause the print drop to shift slightly toward the gap.

Abstract: An inkjet printhead that receives one or more detachably mountable ink tanks, the inkjet printhead includes an ink tank holding receptacle that receives the one or more detachably mountable ink tanks between a first and second wall; a spring disposed on the first wall of the printhead to provide a biasing force in a direction that pushes the detachably mountable ink tank away from the first wall of the printhead and which biasing force must be manually overcome in order to properly install the one or more detachably mountable ink tanks in the ink tank holding receptacle of the printhead.

Abstract: An ink tank having a tank housing; an electrical contact on the housing; an ink outlet port disposed on the housing; and at least one projection disposed adjacent the electrical contact on the housing, wherein the projection is configured for engaging a leaf spring of an inkjet printer. The leaf spring exerts an out and away pivoting force on the projection so that an electrical connection destination for the electrical contact is prevented until the ink tank is completely installed.

Abstract: An inkjet carriage that receives a print cartridge, the inkjet carriage includes a holding receptacle having a wall, wherein the holding receptacle is configured to receive the print cartridge; and a spring disposed on the wall of the holding receptacle to provide a biasing force in a direction that pushes the print cartridge away from the wall of the inkjet carriage and which biasing force must be manually overcome in order to properly install the print cartridge in the holding receptacle of the inkjet carriage.

Abstract: A media advance system includes a media input holder; a pick assembly for moving sheets of media from the media input holder, the pick assembly includes a pick roller including an axle and a face, the face including an arc-shaped groove; and a gear including a first side and a second side opposite the first side, the first side including a projection that extends into the arc-shaped groove in the face of the pick roller; and an intermediate roller for receiving a sheet of media from the pick roller and advancing the sheet further along a media advance path.

Abstract: A method for determining a speed compensation factor includes the steps of transporting a media moving at first speed; printing a first image on the media using at least one printhead while moving at the first speed; capturing the first image in a first frame of an image capture device; transporting the media moving at a second speed different from the first speed; printing a second image on the media using the at least one printhead while moving at the second speed; capturing the second image in a second frame of the image capture device; determining using a change of position of the first image relative to the second image using automated image analysis; and inputting the determined change of position into a processor for computing the speed compensation factor from the determined change of position and a known difference in speed between the first and second speeds.

Abstract: A method of ejecting droplets of liquid from a paired drop ejector, the method includes the steps of providing a chamber having a dividing wall that forms a first and second portion and the first portion includes a first nozzle mated with a first heater and the second portion includes a second nozzle mated with a second heater; providing liquid to the first portion and second portions of the chamber through an open end of the enclosure; providing a first electrical pulse to the first heater to provide thermal energy for ejecting a droplet of liquid from the first nozzle; and providing a second electrical pulse to the second heater to provide thermal energy for ejecting a droplet of liquid from the second nozzle; wherein the second electrical pulse is delayed relative to the first electrical pulse by a first predetermined delay time.

Abstract: In an imaging device having a wireless module, an increase in undesired power consumption is inhibited, and a time required before establishment of a communications channel with a wireless terminal is shortened. In response to depression of a playback button performed by user by way of an operation section, a control section performs a pre-scan by way of a wireless module before a main scan responding to a request for wireless connection. When having received a request for wireless connection, the control section accepts designation of a wireless terminal serving as a destination of transmission from the user by utilization of a result of the pre-scan prior to a result of the main scan responding to the request for wireless connection.

Abstract: An image sensor assembly includes a fixed focal length optical lens; a mirror that reflects light from the scene to an optical lens and moves into a plurality of positions; and an image sensor that receives the light after it passes through the optical lens and captures a plurality of images that represents each image captured from each position of the mirror; wherein at least portions of the plurality of images are stitched together to form a composite image with a desired zoom factor.

Abstract: The present invention relates to an ink tank for an ink jet printer. The invention further relates to a method of manufacturing the ink tank, as well as well as a method of refilling the ink tank. The ink tank includes an ink tank body and an ink tank lid bonded to the ink tank body at a bond joint. The ink tank lid comprises an opening that leads to a holding area that is adapted to contain a capillary media therein. The holding area comprises a wall that forms a boundary between the capillary media and an enclosure defined by the ink tank body and the ink tank lid. The opening is sized to permit an insertion and removal of the capillary media to and from the holding area when the ink tank lid is bonded to the ink tank body at the bond joint.

Abstract: A digital picture frame includes a near-touch user interface component that senses when an object is within a predetermined spatial region of the digital picture frame; a true-touch user interface component that senses physical contact with the digital picture frame; and a processor that receives input signals from the near-touch user interface component and the true-touch user interface component and executes device controls based on inputs from both user interface components.

Abstract: A paper feeding apparatus for a printer includes a motor; a first roller assembly includes a first roller having a first end, a second end and an axis; a first gear disposed at the first end of the first roller, wherein the first gear is configured to be driven by the motor; and a second gear disposed at the second end of the first roller, wherein the second gear having a first bevel gear; a drive shaft including a first end, a second end and an axis, wherein the first end of the drive shaft having a second bevel gear that is configured to engage with the first bevel gear of the second gear of the first roller assembly, and wherein the second end of the drive shaft having a third bevel gear; and a second roller assembly having a second roller and a fourth bevel gear that is configured to engage with the third bevel gear at the second end of the drive shaft.

Abstract: A method for calibrating a multi-printhead printing system, the method includes the steps of employing an encoder to track movement of a media through the printing system; providing a first printhead that prints a first image plane that includes a first test mark at a first defined location on the media as the media moves relative to the first printhead; providing a second printhead that prints a second image plane that includes a second test mark at a second defined location on the media as the media moves relative to the second printhead; employing a first image capture device that captures an image that includes both the first and second test marks; determining an error factor based on the placement of the second mark relative to the first mark in the captured image; and creating a frequency-shifted pulse train of the encoder in which the frequency shift is based on the error factor; wherein the first printhead prints the first image plane in response to output of the encoder and the second printhead print

Abstract: An inkjet printing device includes an ink reservoir containing ink and having an outlet through which the ink passes for ejection onto a print medium; a micro-fluidic actuator having at least (i) an inlet channel through which fluid enters; (ii) a chamber through which the fluid is received from the inlet channel; (iii) an outlet channel that receives the fluid from the chamber and passes the fluid through the outlet channel so that a conduit pathway for the fluid is formed from the inlet channel, chamber and outlet channel; (iv) a flexible member that forms a portion of a wall of the chamber and that displaces in response to fluidic pressure; (v) at least a first valve in the conduit pathway which, when the valve is activated, causes flow of the fluid through the conduit pathway to be altered so that pressure of the fluid passing through the chamber changes which, in turn, causes the flexible member to displace which, in turn, causes the ink to be ejected or not ejected from the ink reservoir according to th

Abstract: A printer includes (a) an ink reservoir containing ink and having an outlet through which the ink passes for ejection onto a print medium; (b) a micro-fluidic actuator having (i) an inlet channel through which fluid enters; (ii) a chamber through which the fluid is received from the inlet channel; (iii) an outlet channel that receives the fluid from the chamber and passes the fluid through the outlet channel so that a conduit pathway for the fluid is formed from the inlet channel, chamber and outlet channel; (iv) a flexible membrane that forms a portion of a shared wall between the chamber and the ink reservoir and that displaces in response to fluidic pressure; (v) at least a first valve in the conduit pathway which, when the valve is activated, causes flow of the fluid through the conduit pathway to be altered so that pressure of the fluid passing through the chamber changes which, in turn, causes the flexible membrane to displace which, in turn, causes the ink to be ejected or not ejected from the ink rese

Abstract: A method for calibrating a multi-color inkjet printing system includes using a 3×2 test target array. The test target includes printing a first color three times in which two of the three colors are aligned along a first axis and the third is offset from the first axis and at a midway point between the other two test marks along the other axis. A second test color is aligned with at least one of the first colors along both axes.

Abstract: A method includes forming drops of first size by applying drop-forming pulses during unit time period, ?0; forming drops of second size by applying drop-forming pulses during second size drop time period, ?m, wherein the second sized drop time period is a multiple, m, of the unit time period, ?m=m*?0, and m?2; providing timing between drops for printing consecutive pixels is equal to ?i=a*?0 where a is an integer ?m and is a function of print media speed; forming the corresponding plurality of drop forming pulse sequences so as to form non-print drops and print drops according to the liquid pattern data; delaying the timing of the drop forming pulses sent to the transducers of the second group relative to the drop forming pulses sent to the transducers of the first group by a delay time ?L which is approximately equal to ?i/2.

Abstract: Embodiments of a printing device fluid reservoir with gripping features are disclosed. In an embodiment of the present invention, the fluid reservoir includes a first surface and a fluid-containing body located beneath the first surface. According to an embodiment of the present invention, the first surface includes a protruding grip, and the fluid-containing body has a lever extending therefrom. According to an embodiment of the present invention, both the protruding grip and the lever are configured to receive a pinching force that compresses the lever towards the fluid-containing body, facilitates carrying of the fluid reservoir, and facilitates installing and/or releasing the fluid reservoir into/from a chassis of the printing device.