Features: High yield drum Sharp copy Crystal clear image 1. Features: Excellent technology Perfectly uniform thickness Longer service Specifications: Professional manufacturer Top Quality We look for long term business 1. Further, our quality controllers firmly check the product to ensure flawlessness. Additional Information: Item Code: Samsung Apart from this, these are designed with high precision in order to meet the industry quality standards.
These are highly demanded in various government and corporate offices to make the office work easier, faster and hassle-free. The drums are fabricated using superior grade raw material and components as per the international quality standards. Image Density 1.
We source these drums from varied leading brands that make use of superior grade raw material in the manufacturing process. These drums are widely known for high strength, reliability and efficiency. It is compatible with Hp, Hp, Hp 16A. Features: High yield drum Sharp copy Crystal clear image. The extremely advanced OPC Drum offered by us, displays consistent performance for longer time span. It is the high precise component of a toner cartridge which force the entire print process.
Explore more categories. Copier OPC Drum 40 products available. Copier Consumables 40 products available. The OPC drum consists of a nonconductive organic coating on a nonferrous aluminum substrate. An OPC drum is used in an abrasive environment in which its surface is worn down by toner, wiper blades, and paper dust. The life expectancy of an OPC drum is considered depleted when 5 to 15 microns 0.
Thus, the ability to measure OPC coating enables remanufacturers to maintain quality standards while maximizing the use of each OPC drum. An added benefit of taking a quick measurement to determine suitability for reuse is that the decision to scrap can be made prior to further processing such as cleaning, polishing or coating.
The ability to measure OPC wear also enables a remanufacturer to optimize their purchasing decisions of other cartridge components. The most cost effective components for each manufacturer and model of OPC drum cartridge can be determined by monitoring the wear effects of various wiper blades, lubricants, toners, OPC overcoatings and paper types.
To monitor wear effects on OPC coatings it is recommended to record several measurements along the length of a new OPC drum. After experimental testing or actual customer usage, retake measurements in the same areas and record the new thickness values. Its important job is to receive the image to print from a laser inside the printer and then transfer the image be it text or a picture to paper.
An OPC Drum has many layers to help it interact with the other components in a cartridge. Here is a schematic drawing of just a few of the layers of the substrate of a drum. Step 2: The laser from the printer writes the image to be printed to the OPC Drum, discharging the electrical properties on the drum. Substrate: The substrate layer Figure 1 provides mechanical support and an electrical path to ground. Substrate form determines the physical shape drum, belt, master of an OPC. Since the substrate serves as an electrode to the system, it must have a smooth surface that is both electrically and chemically correct.
Canon, however, typically uses a conductive pigment layer CPL that acts both as a mask to cover substrate surface irregularities and as a barrier layer. Barrier or Blocking Layer: The barrier layer acts as an interface between the substrate and the photoconductive layers. Aluminum oxide and conductive pigments are two typical barrier layer materials. The substrate and barrier layer are not active in the electrophotographic process, other than to facilitate photoconductivity physically and electronically.
Because these two layers contribute only passively to the process, they are seldom included in OPC layer descriptions. It is important to have a basic understanding of the role of the CGL in determining OPC electrophotographic characteristics.
However, color itself has no effect on OPC performance. Machine design engineers select materials for the CGL based on photoresponse to a specific range of light, measured in nanometers. For a laser printer, photoresponse may be either in the visible range or in the infrared range, depending on the type of laser device used. The CGL layer is very thin: normal thickness ranges from 0. This layer is generally transparent, allowing light to pass through to the CGL.
The CTL is typically about 20 microns thick. AS CTL technology improves, print yield life will increase. All OPCs can be damaged when overexposed to light. The type and extent of the damage depends on the chemical composition of the specific OPC, the amount of time the OPC was exposed, and the type of light which it was subjected. After the OPC has been exposed, light prints decreased charge acceptance or heavy background may indicate visible-fatigue.
Sometimes the OPC will gradually recover, depending on the time and intensity of exposure. When OPC visible-light fatigue occurs, print quality is degraded.
Each option costs money, so preventing light fatigue is worth the effort. Make sure to use light-protective sleeves provided with most OPCs during installation and service.
Ultraviolet exposure from sunlight causes permanent, cumulative damage to OPC coatings. An OPC is much softer than a selenium-based photoreceptor, and will flex and rebound before chipping. Still, OPC is highly susceptible to damage from impact or mishandling.
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