maintenance and repair of automated office equipment namely, photocopiers, full color photocopiers, thermal and plain paper facsimile machines, computers, computer hardware, computer accessories, typewriters, word processors, printers, laser printers, microfiche duplicators, erasable writing boards with photocopy capability, micrographic equipment, electronic messaging systems, and multifunctional and multitasking office machines which serve as facsimile machines, copiers, printers, modems, and scanners services