Electrical system
Description
The electrical system controls all the printing systems and the heating systems inside the printer. Most parts
of the control electronics are placed inside the ’E-box’.
Components
The electronics can be divided into different functional subsystems and will be described accordingly.
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Front Panel: The Front Panel includes a display, touchscreen, magic frame buttons, a power button, and
a speaker. It is connected to the Formatter PCA.
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HP Latex 310/330: The front panel has a 4.3” LCD display.
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HP Latex 360: front panel has a 8” LCD display.
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Substrate Path: Controls the substrate movement; Drive Roller and Rewinder motors, Take-Up Reel,
two Vacuum Fans (controlled by an Eola PCA), Pinch Lever Sensor, Media Sensor.
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In the HP Latex 360 it also controls the OMAS sensor and Ink Collector/Platen Sensors.
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Scan Axis: Printhead firing control and sensors for color and substrate detection (Carriage PCA,
encoder, Tetris and SOL (in HP Latex 360) sensors, and Carriage movement control using the scan
motor).
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Service Station: Printhead maintenance. It controls the monocassette, web wipe, and spit on roll
motors, a drop detector, the primer system, an aerosol fan and some sensors.
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Ink Supply: Control of ink through two ISS PCAs.
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Curing Impinging System: Control of the impinging fans, pressure sensor, ambient temperature sensor
(310/330 only), and heater control that supplies the power to the impinging resistors.
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Air Curtain and print-zone heaters: Provides the power and control for the air curtain resistors and
fans, and print zone resistors and fans. Also supplies the Air Curtain and Printzone Heaters Control box
cooling fan and ambient temperature sensor (HP360 only).
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Inner Lights: Composed of three equal boards that illuminate the print zone.
2 Chapter 1 Printer systems ENWW
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