Abstract: A laser label printer for use with a laser markable medium includes a laser-diode fiber-coupled to an optical train, which includes a focusing lens for focusing the radiation on the medium. The focusing lens is traversed across the medium, with incremental motion of the medium between traverses, for line by line printing of the label. The printer includes a feature for protecting the focusing lens from contamination, and self-diagnostic and adjustment features.

Abstract: Included is an image bearing member; an exposure unit configured to form electrostatic latent images by scanning light on the image bearing member and to change the amount of light along the scanning direction of the light; a forming unit configured to form a toner patch on the basis of the electrostatic latent image formed by a plurality of different light amounts, to adjust the light amount of the exposure unit; a detection unit configured to detect the toner patch; and a control unit configured to adjust the light amount of the exposure unit along the scanning direction of the light depending on the detection result by the detection unit. The control unit changes the light amount of the exposure unit along the scanning direction of the light over a portion of regions rather than all regions in the scanning direction when forming the toner patch.

Abstract: An optical writing head includes a light emitting device array having a plurality of light emitting device that emit parallel rays of light, and an optical unit arranged between the light emitting device array and an image plane to form an image by the rays of light emitted from the light emitting devices on the image plane. The optical unit includes a two-dimensional grating.

Abstract: Multi-pass recording is executed for each of n types of super cell regions that are each defined as a region that contains pixel positions in which recording of dots is performed in various types of main scan passes of n types of main scan passes. The n types of super cell regions (i) include a boundary portion that is not parallel to either a main scanning direction or a sub-scanning direction in at least a portion of a boundary of the individual super cell regions, and (ii) are arranged such that the boundary of the n types of super cell regions appears periodically repeating along both the main scanning direction and the sub-scanning direction.

Abstract: To provide an image processing method, including: image recording, wherein an image composed of a plurality of laser drawn lines is recorded by heating by irradiating parallel laser lights on a recording medium spaced by a predetermined distance, wherein, in the image recording, among the plurality of laser drawn lines constituting the image, at least two units of lines drawn with different energy, each composed of a pair of laser drawn lines adjacent to each other and with different irradiation energy, are formed.

Abstract: A method of forming a lenticle on a substrate includes operating a plurality of inkjets to eject a plurality of ink drops of an optically transparent ink onto a surface of a substrate between a first printed line of an optically opaque ink and a second printed line of the optically opaque ink to form a lenticle from the optically transparent ink, the first printed line being formed substantially parallel to the second printed line with a separation between the first printed line and the second printed line corresponding to a predetermined width of a lenticle to be formed on the substrate.

Abstract: Optical apparatus includes a mount, which holds a workpiece. An array of optical heads project respective patterns of radiation onto the workpiece. A calibration assembly captures images of the respective patterns. A motion assembly, on which the calibration assembly is mounted, transports the calibration assembly among a plurality of different positions between the array of the optical heads and the mount so as to intercept and image, at each of the different positions, a respective pattern projected by a different one of the optical heads. A processor processes the images captured by the calibration assembly at the different positions so as to monitor operation of the apparatus.

Abstract: An image forming apparatus for performing laser exposure is provided. The image forming apparatus includes a driving circuit for supplying drive current to a laser light source in accordance with an image pulse signal; a pulse width expansion portion for expanding a pulse width of the image pulse signal supplied to the driving circuit; and an adjustment control portion for setting, based on state data indicating a state related to light emission start characteristics of the laser light source, a value of the bias current supplied as a part of the drive current to the laser light source and an amount of expansion of the pulse width in such a manner that laser light emission occurs in a period of time having a length equal to a length of a pulse width of each pulse in the image pulse signal.

Abstract: Disclosed is a liquid ejecting apparatus, and a method of controlling the liquid ejecting apparatus, whereby at a timing at which temperature detection and ejection pulse change are subsequently performed, a frequency of execution of temperature detection and driving pulse change differs according to whether temperature detected by the temperature sensor is in a first temperature range in which a degree of change in viscosity of ink for change in temperature is relatively high or in a second temperature range in which the degree of the change in viscosity for the change in temperature is relative stable. More specifically, in the first temperature range, the frequency of execution of temperature detection and driving pulse change is high compared to the second temperature range.

Abstract: A liquid discharging apparatus includes: a discharging portion which discharges liquid; a carriage which has the discharging portion mounted thereon, and is provided with a conductive member; a power supply source which supplies power for discharging the liquid from the discharging portion; a housing which has the power supply source installed therein; and a carriage guide axis which supports the carriage to be movable with respect to the housing, in which between the carriage guide axis and the conductive member, a coupling capacitance is formed by electric field coupling, and in which the coupling capacitance is included in a power supplying path to the discharging portion or a discharging path from the discharging portion, in a transmission path of the power.

Abstract: Provided is a printing method for multi-pass printing with column thinning in which the multi-pass number is not restricted to being a multiple of the column thinning number. A mask pattern of a size corresponding to the number of printing elements in use is prepared, and divided into blocks 1 to P. Taking R(x) to be the mask pattern for the region corresponding to block x (where x=1 to P), these P block mask patterns satisfy the following condition. Namely, for all integers s obtainable between the values from 1 to M, the arrangements of printing pixels exist in a complementary relationship with each other in the combination of mask patterns R(s), R(s+M), R(s+2M), and so on to R(s+N×M). However, for all s, N is taken to be the largest integer satisfying s+N×M?P.

Abstract: An image forming apparatus, including: a laser light source supplied with a bias current and a superimposed current to emit laser light; a splitting unit configured to split the laser light into first and second laser lights; a photoelectric conversion unit configured to output a voltage corresponding to a light intensity of the second laser light; a voltage holding unit configured to hold a voltage output from the photoelectric conversion unit with not the superimposed current but the bias current being supplied to the laser light source; a voltage conversion unit configured to remove the voltage held by the voltage holding unit from the voltage from the photoelectric conversion unit which receives the second laser light; and a current control unit configured to control, based on a voltage from the voltage conversion unit, a value of the superimposed current supplied to the laser light source based on image data.

Abstract: A print head system useful for xerographic printing includes an LED bar print head; a photoreceptor, the photoreceptor having a conductive surface; a sensor, the sensor being disposed on the LED bar, the LED bar being disposed a conjugate distance from the photoreceptor, wherein the sensor and the photoreceptor are configured to enable a measurement of the conjugate distance.

Abstract: An image forming apparatus includes a vibration adjustment unit which adjusts a natural frequency of an optical system, a measuring unit which measures vibrational information indicating change in vibration, and a controller which individually drives each unit. The measuring unit measures the vibrational information after the natural frequency is adjusted to a drive frequency of each unit at an initial state. The controller stores this vibrational information as initial vibrational information. The measuring unit measures the vibrational information after the natural frequency is adjusted to a drive frequency of a unit to be checked. The controller compares this vibrational information with the initial vibrational information measured after adjustment of the natural frequency to the drive frequency of the unit to be checked. The controller determines abnormality in the unit to be checked according to the comparison.

Abstract: An apparatus includes a memory storing computer-readable instructions to cause the apparatus to perform determining a scanning number of times. The scanning number of times is a number of times that a carriage of a printer is to be moved to increase a maximum density of a first ink to be higher than a unit density. The instructions also cause the apparatus to perform generating print data to cause ejection of the first and a second ink by multi-pass scans in a final printing unit. The final printing unit is continuous scans corresponding to a number of passes including a last scan, among the scans to be performed the scanning number of times. The second ink is an ink whose density is equal to or less than the unit density, among the different inks.

Abstract: An image forming method includes: exposing a surface of an image carrier with a light based on an image pattern including an image portion and a non-image portion to form an electrostatic latent image corresponding to the image pattern. The image portion is made up of a plurality of pixels. Some of the pixels that make up the image portion are exposed with light of a first output value that is higher than a prescribed optical output value when the entire pixels corresponding to the image portion are exposed over a prescribed time period.

Abstract: A method for generating a BD signal and identifying a reflection surface after a polygonal mirror has reached approximately constant rotation speed increases time to start image formation because the step of generating the BD signal is needed. An image forming apparatus identifies a reflection surface on which a light beam is incident by using the period of an FG signal.

Abstract: An image forming apparatus includes an image forming unit configured to perform a printing operation by using a plurality of photosensitive media, a plurality of motors configured to drive the plurality of photosensitive media, and a motor controller configured to control a phase and a velocity of the other motor based on a periodic velocity of one motor from among the plurality of motors.

Abstract: Systems and methods for pharmacy messaging are described. A system includes a laser module and a control module. The laser module includes a marking chamber with a plurality of laser heads therein. A first and second entry gate are adjacent the marking chamber. The first entry gate is configured to open when the second entry gate is closed. A first and second exit gate are adjacent the marking chamber at a side different from the first entry and second entry gate. The first exit gate is configured to open when the second exit gate is closed. A transporter moves the objects being marked into and out of the marking chamber through the various gates. The control module is communicatively coupled to the laser module and adapted to control the laser module. Additional methods and systems are disclosed.

Abstract: An optical scanning device includes a light-source unit that emits a plurality of light beams, a deflector that deflects the light beams, and an image-forming optical system that receives the light beam deflected by the deflector and forms a spot image on photoconductors. The image-forming optical system includes a first scanning lens that allows only a corresponding light beam to pass and is arranged to form, upon receiving a virtual light beam, the spot image on the photoconductor with a not-curved line. The virtual line lies between a pair of light beams that travels in one of areas separated by a reference plane that is parallel to a sub-scanning direction and on which a normal line to a deflection plane of the deflector falls.