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The Epson QX-10 is a microcomputer running CP/M or TPM-III (CP/M-80 compatible) which was introduced in 1983. It is based on a Zilog Z80 microprocessor, running at 4 MHz, provides up to 256 KB of RAM organized in four switchable banks, and includes a separate graphics processor chip manufactured by NEC to provide advanced graphics capabilities.
Automatic document feeder (ADF) - this allows multiple sheets of paper to be input without manually placing each piece of paper on the platen glass. Duplex scanning capability (depends on the ADF) - Whether the MFP can scan both sides of a sheet of paper without manual intervention by the user.
Reverse automatic document feeder A scanner with a duplexing automatic document feeder A Konica Minolta photocopier with an automatic document feeder in use. In multifunction or all-in-one printers, fax machines, photocopiers and scanners, an automatic document feeder or ADF is a feature which takes several pages and feeds the paper one page at a time into a scanner or copier, [1] allowing the ...
Duplex scanning is usually implemented on multifunction printers using a Reversing Automatic Document Feeder (RADF), which removes, reverses, and re-feeds the document after scanning one side. Duplex scanning is achieved on scanners by either RADF or by single pass duplex scanning using two cameras, one for each side of document; two-camera ...
Epson entered the personal computer market in 1983 with the QX-10, a CP/M-compatible Z80 machine. By 1986, the company had shifted to the growing PC market with the Equity line. EPSON manufactured and sold NEC PC-9801 clones in Japan. Epson withdrew from the international PC market in 1996.
Subsequent versions, the Equity I+ and Apex 100 [3], upped the clock rate to 10 MHz, the standard RAM to 640 KB, supported 3.5-inch floppy drives and hard disks, sported an 8087 socket, and had a "MGA - Multi-Graphics Adapter" card, offering an Hercules compatible monochrome mode, and a new 160x200 eight colors mode. [4]