The Printing Industry of Metropolitan Washington is sponsoring The Capitol Printing Show and Conference from Thursday through Saturday at the D.c. Armory and the Hyatt Regency. The show will give commercial printers, both small and large, as well as government printing officials an opportunity to examine new equipment and technology from 140 companies.

Some of the hardware on view includes prepress equipment, electronic typesetting and composition equipment, press equipment, reproduction equipment, binding and finishing equipment as well as graphic and business services to improve printing services and communications techniques.

The conference program will be held at the Hyatt Regency/Capitol Hill and will have as its theme "Factors Affecting Our Industry." More than 10,000 printers, graphic arts executive and government and association leaders are expected to attend. Printing experts from the public and private sectors will discuss developments in the management, prepress, press and bindery operations of the printing industry.

Mayor Marlon Barry will open the show officially on noon on Thursday. The exposition hours will be from noon to 7 p.m. on Thursday and Friday and from 10 a.m. to 3 p.m. on Saturday. Conference hours are from 9 a.m. to noon all three days. The show's sponsors emphasize the importance of printing to the area economy and the need for a major equipment show in the Nation's Capital. As the No. 1 maufacturing industry in the Washington area, printing and publishing employ more than 18,000 people with an annual payroll of more than $200 million.

Cost of the conference program is $20 per session or $50 for all sessions for PIMW members and government employees and $40 per session or $100 for all sessions for nonmembers. For information, call (212)682-4802.