A professional who repairs and services office machines, such as adding, accounting, and calculating machines, and typewriters, using handtools, power tools, micrometers, and welding equipment. Responsibilities include:

• Operates machines to test moving parts and to listen to sounds of machines to locate causes of trouble.
• Disassembles machine and examines parts, such as gears, guides, rollers, and pinions for wear and defects, using micrometers.
• Repairs, adjusts, or replaces parts, using handtools, power tools, and soldering and welding equipment.
• Cleans and oils moving parts.
• May give instructions in operation and care of machines to machine operators.
• May assemble new machines.
• May be designated according to machine repaired or serviced as accounting-machine servicer; adding-machine servicer; calculating-machine servicer; duplicating-machine servicer; typewriter servicer.