2. Product d2.5 Image creation2.5.1 Printing process overvThis section describes the image creation process useMMThis color printing system includes the LSU with four launit. The 4 imaging units are: Yellow, Magenta, Cyan aThis machine uses four Imaging units, and four laser bof a Drum unit and Development unit Each Drum unitof a Drum unit and Development unit. Each Drum unitCleaning blade. From the left, the Imaging unit stationThe OPC drum [A] is charged with a negative voltagefrom the LSU (Laser Scanning unit) [B]. The light proddischarging on the surface of the OPC drum. The negimage due to an electric field. The toner (real image) othe positive bias applied to the first transfer roller [C].b iti h li d t th d tpaper by a positive charge applied to the second transProcess Steps1. OPC drum charge: The Charge Scorotron gives th2. Laser exposure: Light produced by a laser diode h3. Development: This machine uses a dual-componenegatively charged toner to the latent image on theimaging units (one for each color).4. Transfer:a. First transfer: The first transfer rollers oppthe transfer belt. Four toner images are superService ManualCLX-9250/9350 series2-3b. Second transfer: The transfer roller transferdescriptionviewed by the printer.CPaper pathCaser beams, four imaging units, ITB unit and transferand Black (from left to right as shown in the diagram).beams for color printing. Each Imaging unit consistst has an OPC drum Charge Scorotron Eraser andt has an OPC drum, Charge Scorotron, Eraser andns are: yellow, cyan, magenta, and black.by the Charge Scorotron and is exposed by the lightduced by the laser creates a latent image bygatively charged toner is attracted to the latent drumon each OPC drum is moved to the transfer belt byAll four toners (color image) are transferred to thef ll [E]sfer roller [E].he drum a negative charge.hits the charged OPC through the lens and mirrors.ent development system. The magnetic roller carriese drum surface. This machine uses four independentposite the OPC drums transfer toner from the drums tor-imposed onto the belt.SAMSUNG ELECTRONICS30rs the toner from the transfer belt to the media.
