Abstract: According to an example, a photoconductive drum support comprises a receiving body to receive a photoconductive drum, a rear cup coupled to a first end of the receiving body, a locking member rotatably coupled to a projecting portion of the receiving body, and a front cup positioned to contact a second end of the receiving body. The locking member is movable between an unlocked position in which the front cup is movable along the projecting portion and a locked position in which the locking member is positioned to fix the front cup and the rear cup at a predetermined distance.

Abstract: A main body of an image forming apparatus includes a developing device, a mounting portion to or from which a toner refill cartridge is attachable or detachable and which is connected to the developing device to transfer a toner in the toner refill cartridge to the developing device. The main body has a housing provided with a communicating hole so that the toner refill cartridge is mountable on the mounting portion from the outside. The image forming apparatus includes the main body, a pop-up module to push the toner refill cartridge in a removal direction and pop up the toner refill cartridge from the mounting portion, and a controller to cause the toner refill cartridge to pop up by operating the pop-up module when refilling with the toner is completed.

Abstract: A device includes at least one well to receive a polymerase chain reaction (PCR) mixture. The at least one well includes a bottom comprising an electrically resistive sheet and a carrier layer. The electrically resistive sheet is to receive a signal from a signal source to generate heat to cause a pulse-controlled amplification, thermal cycling zone in close thermal proximity to the bottom. The resistive sheet includes a first portion and a single unitary first opening aligned in a central portion of the well to enable optical detection of fluorophores from reaction of the PCR mixture in the thermal cycling zone. The transparent carrier layer is co-extensive with at least the first opening to contain the PCR mixture within the at least one well and to permit the optical detection.

Abstract: In some examples, an electronic device includes an image sensor and a processor. The processor is to receive an image from the image sensor, identify multiple elements depicted in the image, and determine, based on the multiple elements identified, an environment. The processor is to retrieve a configuration profile associated with the environment and configure, according to a setting of the configuration profile, a peripheral device, an application, or a combination thereof.

Abstract: A combination connector for receiving DisplayPort and Universal Serial Bus (USB) Type-C type connectors. The combination connector includes a PCB with a first row of DisplayPort pins and a second row of USB pins on either side of the PCB. The second row of USB pins are provided on a projection along one edge of the PCB such that the projection can interface physically and electrically with a USB Type-C connector. A removable I/O baffle matching the profile of a DisplayPort connector can support the USB Type-C connector and provide electrical grounding. When the I/O baffle is removed, a DisplayPort connector can be inserted into the combination connector to interface with the first row of DisplayPort pins. A pair of detection pins within the connector allow the electronic device to identify a type of a connected connector and selectively enable power delivery and data transfer for an appropriate operating mode.

Abstract: A device includes at least one well to receive a polymerase chain reaction (PCR) mixture with the at least one well including a bottom and side walls. The bottom includes an electrically resistive sheet including at least one opening and to receive a signal from a signal source to generate heat to cause a pulse-controlled amplification, thermal cycling zone in close thermal proximity to the resistive sheet. The side walls comprise a polymer material and a fluoropolymer component to cause the PCR mixture to form a contact angle of at least 45 degrees relative to the side walls. An optical detector is alignable with the at least one opening to detect fluorophores as an output of the PCR mixture.

Abstract: A toner refill cartridge includes a body member in which a toner is contained and which includes a toner discharge port through which the toner is discharged: a driving power input portion rotatable by a driving power from outside the toner refill cartridge; an agitating member to agitate the toner while being rotated by a rotation power from the driving power input portion; and a discharge completion display module including a moving display portion to move in response to the rotation power from the driving power input portion, and a fixed display portion whose position is fixed with respect to the body member, the discharge completion display module to indicate whether the toner contained in the body member has been completely discharged, based on a position relationship of the moving display portion with respect to the fixed display portion.

Abstract: An integrated circuit to drive a number of fluid actuation devices, comprising a circuit configured to have a memory access state which can be set to one of an enabled state and disabled state. The integrated circuit to include a fluid actuation circuit to transmit selection information for a fluid actuation device, the selection information comprising a data state bit. The integrated circuit to include a memory cell array, configured so that each memory cell is accessible by the memory access state being enabled, and the data state bit being set.

Abstract: Examples described herein relate to fetching network device topologies using a timestamp-callback map. The timestamp-callback map includes timestamps paired with references to unique callback functions that fetch topologies for network devices when executed. Examples include setting an alarm for each timestamp in the timestamp-callback map. When an alarm generates a notification, examples create worker threads of a network profiler service. Each worker thread executes a respective unique callback function to fetch a topology for a network device from a topology service. Examples describe different implementations of the timestamp-callback map that can be optimized in various embodiments.

Abstract: Examples include receiving a plurality of values of a parameter that is measured by a sensor, determining a sensor rate of change based on the plurality of values, determining a sensor error rate based on the plurality of values, receiving a reading of the parameter, and determining a reliability of the reading based on the sensor rate of change and the sensor error rate.

Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a chemical functionalization agent. The fusing agent can include water and an electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The chemical functionalization agent can include water and an amine-containing polymer. The amine-containing polymer can be a branched or unbranched polymer that includes a polymer backbone and multiple pendant side chains. The individual side chains can include —NH2, —NH—, or a combination thereof.

Abstract: A multi-fluid kit for three-dimensional printing can include a wetting agent and a binding agent. The wetting agent can include from 0 wt % to about 49.8 wt % water, from about 0.5 wt % to about 30 wt % film-forming organic solvent that can have a boiling point from greater than about 100° C. to about 350° C., and from about 30 wt % to about 99.5 wt % amphiphilic solvent that can have a boiling point from about 45° C. to less than about 100° C. The amphiphilic solvent can be water-miscible and can be present in the wetting agent at a greater concentration than the water and at a greater concentration than the film-forming solvent. The binding agent can include from about 2 wt % to about 30 wt % of a polymer binder dispersed in an aqueous liquid vehicle.

Abstract: In an example three-dimensional printing method, individual layers of a metal-based build material are patterned, based on a 3D object model, with a binding agent to form an intermediate structure. A case-hardened portion of a 3D object is also patterned (based on the object model) by selectively depositing a hardening agent to deliver a predetermined concentration of a hardening element to at least one of the individual layers, wherein the individual layers are maintained below a vaporization temperature of the hardening agent during the selectively depositing. The intermediate structure is heated at a first rate to a temperature that aids in diffusion of the hardening element, and is held at the temperature for a predetermined time. The intermediate structure is cooled at a second rate. The intermediate structure, with the patterned case-hardened portion, is then sintered at a sintering temperature of the metal-based build material.

Abstract: Examples relate to capping stations having caps with positioning mechanism. The capping station for a printing system may comprise a cap to seal a printhead and a positioning mechanism to move the cap between a first cap position and a second cap position.

Abstract: A toner cartridge includes a customer replaceable unit monitoring (CRUM) apparatus to store error information of a toner injection process of the toner cartridge using a toner refill apparatus. Based on the error information not being stored in the CRUM apparatus, an availability of a refill operation of the toner cartridge is identified based on a predetermined first reference value and an amount of toner detected in the toner cartridge, and, based on the error information being stored in the CRUM apparatus, the availability of the refill operation of the toner cartridge is identified based on a predetermined second reference value and the amount of toner detected in the toner cartridge.

Abstract: In some examples, the disclosure describes a connector comprising a cover comprising a cover top, a first clip coupled to a first end of the cover, the first clip including a first lever and a first hook, a second clip coupled to a second end of the cover, the second clip including a second lever and a second hook, and a biasing member coupled to the cover top and disposed between the first clip and the second clip, the biasing member to apply pressure to the connector while the connector is disposed between the biasing member and the first hook and the second hook.

Abstract: An enhanced reality system that includes a plurality of sensors to detect relative positions of a user's body and changes in positions of the plurality of sensors over time and a controller to: receive data from the sensors and determine a gesture made by the user; and an authentication module to, when executed by the controller translate the gesture into a passcode and authorize access to digital content based on verification of the passcode.

Abstract: An example non-transitory machine-readable storage medium includes instructions executable by a processing resource of an electronic device. The instructions cause the electronic device to receive a communication associated with a first mode of communication via the communication device and determine an intent to change from the first mode of communication to a second mode of communication. In response to determining the intent, the instructions cause the electronic device to determine that a communication device associated with the second mode of communication is not in a ready state and assist the communication device associated with the second mode of communication to be in the ready state.

Abstract: Examples of print media cutting procedures and devices are described. The print media is cut with a first cutting module while the print medium is advanced through the device. The print media is then reversed before being cut with a second cutting module. The first cutting module can be moved laterally at the same time as the print medium is moved in the reverse direction.

Abstract: A display device includes an aperture layer, a first plurality of light sources, a second plurality of light sources, and a piezo material coupled to the first plurality of light sources and the second plurality of light sources. The aperture layer includes a first plurality of apertures and a second plurality of apertures, and the first plurality of light sources is arranged to correspond to the first plurality of apertures, and the second plurality of light sources is arranged to correspond to the second plurality of apertures. The piezo material is configured to alter a first position of the first plurality of light sources relative to the first plurality of apertures, and to alter a second position of the second plurality of light sources relative to the second plurality of apertures.

Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and an antioxidant agent. The fusing agent can include water and an electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The antioxidant agent can include water and a dispersion of a secondary antioxidant.

Abstract: There is described an intermediate transfer member for digital offset printing, comprising: a cured silicone release layer formed by curing a curable silicone release formulation comprising: a polyalkylsiloxane containing at least two vinyl groups having a weight average molecular weight of 60,000 g/mol or less; a polyalkylsiloxane containing two vinyl groups having a weight average molecular weight of at least 65,000 g/mol; a polyalkylsiloxane cross-linker containing at least two Si—H bonds; and a catalyst or a photoinitiator. There is also described a method of producing an intermediate transfer member, and a curable silicone release formulation for an intermediate transfer member.

Abstract: Examples of a supporting assembly for supporting an installable component are described. The supporting assembly comprises a supporting member. The supporting assembly may further include a latch bar extending longitudinally to support the installable component. The supporting assembly may further include a coupling arm and a control knob. In an example, the control knob may be rotatable, and is to control rotation of the latch bar.

Abstract: A logic circuitry package for a replaceable print apparatus component includes a logic circuit and an interface to communicate with a print apparatus logic circuit. The logic circuit is configured to include a plurality of personalities, each personality of the plurality of personalities including an ID and a cryptographic key. The logic circuit is further configured to start a cryptographic session with the print apparatus logic circuit using a selected personality of the plurality of personalities, and transmit a consumable level value to the print apparatus logic circuit in response to a request from the print apparatus logic circuit independent of which personality of the plurality of personalities is the selected personality.

Abstract: A process cartridge (2) includes: a photosensitive unit (100) including a photosensitive drum (21); and a development unit (200). The development unit includes: a developing roller (22); a toner chamber (203); a toner receiving unit (300) extending from the toner chamber to form a toner supply path (302) to the toner chamber; and a toner inlet (301) provided in the toner receiving unit. The development unit comprising the toner receiving unit is pivotably supported by the photosensitive unit, the development unit pivotable in a direction in which the developing roller approaches or is separated from the photosensitive drum.

Abstract: Examples of methods are described herein. In some examples, a method includes generating a plot of a fluorescence signal over time. In some examples, the fluorescence signal is measured from a substance. In some examples, the method includes detecting, using a machine learning model, a target molecule in the substance based on the plot.

Abstract: An example storage medium is described, wherein the storage medium comprises instructions that, when executed cause a processor of an electronic device to store a private key in a first memory of the electronic device. The controller also stores an encrypted version of a password and validity information defining a condition to the password's validity in a second memory of the electronic device. During a boot process of the electronic device, the controller may detect a failure to decrypt data stored in a third memory and, upon this detection, decrypt the encrypted version of the password using the private key, and determine, using the validity information, whether the password is valid. If the password is valid, the controller may input the decrypted password to a decryption service, wherein the decryption service is to decrypt the data stored in the third memory.

Abstract: In some examples, an electronic device includes a connector, a first switch to control, responsive to a signal, providing of a first voltage signal to the connector, a second switch to control, responsive to the signal, providing of a second voltage signal to the connector, and a controller. The controller is to determine, responsive to the signal, a type of a storage device couple to the connector, and enable, responsive to the type of the storage device, a set of signals to the connector.

Abstract: Examples herein relate to ambient noise level detection. For instance, in some examples an electronic device includes a cooling resource and a processor resource to alter an operational speed of the cooling resource from an initial operational speed to a first altered operational speed, detect an ambient noise level, compare the ambient noise level to a first noise threshold, and restrict the operational speed of the cooling resource to be less than the initial operational speed.

Abstract: The disclosed technology is directed to a computing device for detecting and preventing melting of a component of the computing device. In some examples, the computing device includes a cable that connects a power supply unit and an add-on card, and a thermal protection controller. Based on a sensor signal from a temperature sensor of the cable, the thermal protection controller determines that a temperature associated with the cable exceeds a threshold temperature. Responsive to determining that the temperature associated with the cable exceeds the threshold temperature, the thermal protection controller causes the power supply unit to cease supplying power to the add-on card by transmitting an overtemperature signal through the cable.

Abstract: A materials kit for three-dimensional (3D) printing can include a powder bed material including from about 60 wt % to 100 wt % composite fibers including glass fibers coated with an encapsulating polymer, wherein the composite fibers have an average length of from about 100 ?m to about 700 ?m and an average diameter of from about 20 ?m to about 70 ?m. The materials kit for 3D printing can also include a fusing agent including an energy absorber to absorb electromagnetic radiation to produce heat.

Abstract: In some examples, a non-transitory machine-readable medium stores machine-readable instructions which, when executed by a processor of an electronic device, cause the processor to detect, by multiple image sensors, a user presence, to determine, responsive to the detection of the user presence, eye gaze angles of a user in relation to optical axes of the multiple image sensors, to identify a smallest eye gaze angle among the eye gaze angles, and to cause an image sensor of the multiple image sensors that has the smallest eye gaze angle to be an active image sensor of the electronic device.

Abstract: An example storage medium is described, wherein the storage medium comprises instructions that, when executed, cause a processor of an electronic device to determine whether data private key is stored in a first memory of the electronic device and whether a network connection is available. If the private key is stored and no network is available, emulated responses of a networked service are generated for decryption of data in the electronic device.

Abstract: A printing drum for a liquid electrophotographic printing system which comprises a photosensitive surface and a heating device mounted to the printing drum. The heating device heats the photosensitive surface of the printing drum to a predetermined temperature.

Abstract: An example non-transitory computer-readable medium includes instructions to monitor a time-averaged power consumption of a computing device that includes a plurality of power-consuming components including a processor, and compare the time-averaged power consumption to a first threshold to detect if the time-averaged power consumption exceeds the first threshold. In response to detecting that the time-averaged power consumption of the computing device exceeds the first threshold, the instructions are to decrease an operational power of the processor from a normal operating power, and start monitoring an instantaneous power consumption of the computing device to determine whether to make a further decrease or an increase to the operational power of the processor.

Abstract: An image forming apparatus and method for determining whether a toner refill apparatus is available are provided. The image forming apparatus includes a print engine to carry out a print job using a toner from a toner cartridge, a communication apparatus to communicate with a memory chip attached to a toner refill apparatus for refilling a toner in the toner cartridge, and a processor to identify whether the toner refill apparatus is available based on information stored in the memory chip of the toner refill apparatus.

Abstract: Herein is described a method of providing a printed label. The method comprises applying a radiation curable overcoat composition to a liquid electrostatically printed ink disposed on a label substrate; wherein the radiation curable overcoat composition comprises radiation curable monomers and/or oligomers; a photoinitiator; a polyalkylsiloxane containing at least two reactive functional groups, wherein the reactive functional groups are selected from hydrogen, hydroxyl, amino and a double bond; and a cross-linker containing at least two epoxide groups. Printed labels and a radiation curable overcoat composition are also described herein.

Abstract: A holding device for retaining an installable component in a chassis of a computing device may includes a longitudinally extending first arm, and a movably coupled second arm. The holding device may further include a first engaging portion at first end of the holding device, and a second engaging portion at the second end of the holding device. The engaging portions may couple the holding device to the chassis of the computing device. Furthermore, the holding device may comprise a gripping member. The gripping member is to securely retain the installable component within the chassis of the computing device, and is movable across the length of the holding device.

Abstract: The present disclosure relates to a binding agent for printing a 3D green body object. The binding agent includes from about 0.3 wt % to about 3 wt % multi-functional carboxylic acid having a weight average molecular weight range from about 100 MW to about 1,000 MW, from about 2 wt % to about 20 wt % a (meth)acrylic latex binder, from about 10 wt % to about 40 wt % solvent package including from about 3 wt % to about 40 wt % of a coalescing solvent, and from about 40 wt % to about 88 wt % water. The weight percentage ranges are based on total content of the binding agent.

Abstract: A printing apparatus is disclosed herein. The apparatus comprises a platen and a carriage. The platen has a printing zone, the platen being to hold a media moveable along a media path direction. The carriage includes a cleaning accessory interface couplable to a cleaning accessory, the cleaning accessory to remove contaminants from the platen upon the carriage's movement; and a conduit connectable to a vacuum source to extract the removed contaminants from the printing zone.

Abstract: Examples of lattice structures are described herein. In some examples, a heat exchanger may include a three-dimensional (3D) lattice structure. In some examples, the heat exchanger may include a spiral structure transecting the 3D lattice structure. In some examples, the spiral structure is to mix fluid to pass through the 3D lattice structure.

Abstract: In one example, an LEP printer includes a belt rotatable in a loop, a series of multiple printing units along the belt each to apply an LEP ink color separation to the belt, a first heater to dry the color separations on the belt to a molten film at a drying temperature, a second heater to heat the molten film on the belt to a transfer temperature higher than the drying temperature, and a pressure roller near the belt to press a printable substrate against the belt at a nip between the pressure roller and the belt.

Abstract: In some examples, a system detects disabling of a driver of a storage control feature included in a main processor of the system, where the storage control feature to manage access of a storage device. In response to detecting the disabling of the driver of the storage control feature included in the main processor, the system initiates a remediation action to prevent a fault in the system.

Abstract: In some examples, an electronic device includes a port and a controller. The controller compares an encrypted identifier received via a side-band communications channel of the port to a trusted identifier retrieved from a storage device. Responsive to the encrypted identifier being equivalent to the trusted identifier, the controller compares an encrypted user credential received via the port to a trusted user credential retrieved from the storage device. Responsive to the encrypted user credential being equivalent to the trusted user credential, the controller enables a user access to the electronic device.

Abstract: In an example of the disclosure, a system to service a print blanket includes a rotatably mounted endless cleaning surface (“ECS”), a doctor blade, a heating element, and a container. The ECS is to carry a polymeric material and positioned to engage the print blanket. The doctor blade is disposed in relationship to the ECS and to a container to scrape a portion of the polymeric material from the ECS into the container. The heating element is to heat the container. The container is positioned to collect the scraped portion of polymeric material, and make heated polymeric material available to be picked up by the ECS as the ECS is rotated adjacent to the container.

Abstract: According to examples, an apparatus may include a video switch, a video scaler, and a video splitter. The video splitter may access an input video stream, in which the input video stream is at a first resolution, split the accessed input video stream into a first video stream and a second video stream, send the first video stream to be displayed at the first resolution through the video switch, and send the second video stream to the video scaler.

Abstract: An example electronic device includes a network communication interface to connect to a conference server, a central control device communication interface to connect to a local central control device, a microphone and a processor. The processor is to receive audio at the microphone and send the audio to the local central control device and to the conference server. The processor is to send the audio to the local central control device such that it is received by a nearby electronic device before the audio is received from the conference server by the nearby electronic device.

Abstract: A printing apparatus is disclosed herein. The apparatus comprises a chassis moveable on a surface through a motion control system, a receiver to receive a signal from a positioning module corresponding to a distance of the printing apparatus with respect to a reference; a printhead to selectively eject an amount of a printing fluid to the surface; and a controller. The controller is to determine the actual location of the printing apparatus with respect to a grid map representative of a part of the surface, the grid map including a plurality of nodal points with its corresponding height values; and to control the motion control system to move the chassis to a first surface location corresponding to a first nodal point of the grid map.

Abstract: An example computing device includes a wireless communication device, such as a wireless wide area network (WWAN) communication device, that communicates in a first band of electromagnetic radiation, and a wireless charging system that wirelessly charges a peripheral device using a second band of electromagnetic radiation. The wireless charging system operating in the first band may introduce harmonic noise that negatively impacts communication in the second band. Accordingly, in various examples, the system operates to adjust the charge rate used by the wireless charging system based on a function of the charge state of the peripheral device and a received signal strength indicator (RSSI) value of a signal received by the wireless communication device. In some instances, the wireless charging rate of the peripheral device may be disabled or reduced when the RSSI value of the signal received by the wireless communication device is below a threshold value.