HP CM3530 HP Color LaserJet CM3530 Series - Software Technical Reference (exte - Page 282

grayscale Shades of gray that represent light and dark portions of an image when color images are converted to grayscale; colors are represented by various shades of gray. halftone An image type that simulates grayscale by varying the number of dots. Highly colored areas consist of a large number of dots, while lighter areas consist of a smaller number of dots. HP Director A software screen that is used when working with documents. When the document is loaded into the automatic document feeder (ADF) and the computer is connected directly to the product, the HP Director appears on the computer screen to initiate faxing, copying, or scanning. HP Easy Printer Care HP Easy Printer Care is a program that provides access to the product management and troubleshooting tools, embedded Web server, and product documentation. HP Easy Printer Care does not support Macintosh operating systems. ISDN Integrated Services Digital Network (ISDN) is a suite of internationally adopted standards for end-to-end digital communication over the public telephone network. link A connection to a program or device that can be used to send information from the product software to other programs, such as e-mail, electronic fax, and OCR links. optical character recognition (OCR) software OCR software converts an electronic image of text, such as a scanned document, into a form that word processor, spreadsheet, and database programs can use. pixels per inch (ppi) A measurement of resolution that is used for scanning. Generally, more pixels per inch result in a higher resolution, more visible detail in the image, and a larger file size. printer driver A printer driver is a program that software programs use to gain access to a product's features. A printer driver translates a software program's formatting commands (such as page breaks and font selection) into a printer language (such as PostScript or PCL), and then sends the print file to the product. private branch exchange (PBX) A small telephone switching system that typically is used by large businesses or universities to connect all telephone extensions within the organization. A PBX also connects to the public switched telephone network (PSTN) and may be either manual or dial, depending on the method used by extensions to place incoming or outgoing calls. Normally, the equipment is owned by the customer rather than leased from the telephone company. public switched telephone network (PSTN) The worldwide dial-up telephone network or a portion of that network. Users are assigned unique phone numbers, which allow them to connect to the PSTN through local telephone exchange companies. Often, this phrase is used when referring to data or other non-telephone services carried over a path initially established using normal telephone signaling and ordinary switched long-distance telephone circuits. Readiris An optical character recognition (OCR) program that was developed by I.R.I.S. and that is included with the product software. resolution The sharpness of an image, measured in dots per inch (dpi). The higher the dpi, the greater the resolution. shared line A single telephone line that is used for both voice and fax calls. surge protector A device that protects a power supply and communications lines from electrical surges. TWAIN An industry standard for scanners and software. By using a TWAIN-compliant scanner with a TWAINcompliant program, a scan can be initiated from within the program. URL Uniform resource locator, the global address of documents and resources on the Internet. The first part of the address indicates what protocol to use, the second part specifies the IP address or the domain name where the resource is located. 262 Glossary ENWW