Computer, ATM, and Office Machine Repairers

Computer, ATM, and office machine repairers install, fix, and maintain many of the machines that businesses, households, and other consumers use.

Computer, ATM, and office machine repairers typically do the following:

  • Travel to customers' locations in response to service requests
  • Communicate with customers to determine the source of a problem
  • Do administrative tasks, such as completing work order forms
  • Use a variety of tools, such as a multimeter, to help diagnose the problem
  • Install large equipment, such as mainframe computers and ATMs
  • Explain the basic functions of machines and equipment to customers
  • Replace malfunctioning machine parts, such as video cards in desktop computers or keypads on ATM machines
  • Provide preventative maintenance, such as cleaning the internal parts of machines
  • Test newly installed systems to make sure they work properly

In most cases, machines do not break down entirely. Often just one broken part can keep a machine from working properly. Repairers often fix machines by replacing these parts and other defective equipment because it is often less expensive than replacing the entire machine.

Although the work of computer, ATM, and office machine repairers is very similar, the exact tasks differ depending on the type of equipment. For example, computer repairers often must replace desktop parts, such as a motherboard, because of hardware failure. ATM repairers may replace a worn magnetic head on a card reader to allow an ATM to recognize customers' bank cards. Office machine repairers replace parts of office machines that break down from general wear and tear, such as the printheads of inkjet printers.

Some repairers have assigned areas where they do preventive maintenance on a regular basis.

Computer repairers service and repair computer parts, network connections, and computer equipment, such as an external hard drive or computer monitor. Computer repairers must be familiar with various operating systems and commonly used software packages. Some work from repair shops, while others travel to customers' locations.

ATM repairers install and repair automated teller machines and, increasingly, electronic kiosks. They often work with a network of ATMs and travel to ATM locations when they are alerted to a malfunction.

Office machine repairers fix machinery at customers' workplaces because these machines are often large and stationary, such as office printers or copiers. Office machines often need preventive maintenance, such as cleaning, or replacement of commonly used parts as they break down from general wear and tear.


Power Plant Operators, Distributors, and Dispatchers

Power plant operators, dispatchers, and distributors control the systems that generate and distribute electric power.

Power plant operators, distributors, and dispatchers typically do the following:

  • Control power-generating equipment, such as boilers, turbines, generators, and reactors
  • Read charts, meters, and gauges to monitor voltage and electricity flows
  • Check equipment and indicators to detect evidence of operating problems
  • Adjust controls to regulate the flow of power
  • Start or stop generators, turbines, and other equipment as necessary

Electricity is one of our nation's most vital resources. Power plant operators, distributors, and dispatchers control power plants and the flow of electricity from plants to substations, which distribute electricity to businesses, homes, and factories. Electricity is generated from many sources, including coal, gas, nuclear energy, hydroelectric energy (from water sources), and wind and solar power.

The following are types of power plant operators, distributors, and dispatchers:

Nuclear power reactor operators control nuclear reactors. They adjust control rods, which affect how much electricity a reactor generates. They monitor reactors, turbines, generators, and cooling systems, adjusting controls as necessary. Operators also start and stop equipment and record the data. They may need to respond to abnormalities, determine the cause, and take corrective action.

Power distributors and dispatchers, also known as systems operators, control the flow of electricity as it travels from generating stations to substations and users over a network of transmission and distribution lines. They prepare and issue switching orders to route electrical currents around areas that need maintenance or repair. Distributors and dispatchers also monitor and operate current converters, voltage transformers, and circuit breakers. They must detect and respond to emergencies, such as transformer or transmission line failures.

Power plant operators control, operate, and maintain machinery to generate electric power. They use control boards to distribute power among generators and regulate the output from several generators. They regulate the flow of power between generating stations and substations, and they monitor instruments to maintain voltage and electricity flows from the plant.


Electrical and Electronics Engineers

Electrical engineers design, develop, test, and supervise the manufacturing of electrical equipment such as electric motors, radar and navigation systems, communications systems, or power generation equipment. Electrical engineers also design the electrical systems of automobiles and aircraft.

Electronics engineers design and develop electronic equipment such as broadcast and communications systems, from portable music players to global positioning systems (GPS). Many also work in areas closely related to computer hardware.

Electrical engineers typically do the following:

  • Design new ways to use electrical power to develop or improve products
  • Do detailed calculations to compute manufacturing, construction, and installation standards and specifications
  • Direct manufacturing, installing, and testing to ensure that the product as built meets specifications and codes
  • Investigate complaints from customers or the public, evaluate problems, and recommend solutions
  • Work with project managers on production efforts to ensure projects are completed satisfactorily, on time, and within budget

Electronics engineers typically do the following:

  • Design electronic components, software, products, or systems for commercial, industrial, medical, military, or scientific applications
  • Analyze electrical system requirements, capacity, cost, and customer needs and then develop a system plan
  • Develop maintenance and testing procedures for electronic components and equipment
  • Evaluate systems and recommend repair or design modifications
  • Inspect electronic equipment, instruments, and systems to make sure they meet safety standards and applicable regulations
  • Plan and develop applications and modifications for electronic properties used in parts and systems to improve technical performance

Electronics engineers who work for the federal government research, develop, and evaluate electronic devices used in diverse technologies, such as aviation, computing, transportation, and manufacturing. They work on federal electronic devices and systems, including satellites, flight systems, radar and sonar systems, and communications systems.

The work of electrical engineers and electronics engineers is often similar. Both use engineering and design software and equipment to do engineering tasks. Both types of engineers must also work with other engineers to discuss existing products and possibilities for engineering projects.

Engineers whose work is related exclusively to computer hardware are considered computer hardware engineers. For more information about this occupation, see the profile on computer hardware engineers.


Mechanical Engineering Technicians

Mechanical engineering technicians help mechanical engineers design, develop, test, and manufacture industrial machinery, consumer products, and other equipment. They may make sketches and rough layouts, record and analyze data, make calculations and estimates, and report their findings.

Mechanical engineering technicians typically do the following:

  • Evaluate drawing designs for new or changed tools by measuring dimensions on the drawing and comparing them with the original specifications
  • Prepare layouts and drawings of parts to be made and the process for putting them together
  • Discuss changes with coworkers--for example, in the design of the part, in the way it will be made and put together, and in the techniques and process they will use
  • Review instructions and blueprints for the project to ensure the test specifications, procedures, and objectives
  • Plan, make, and put together new or changed mechanical parts for products, such as industrial machinery or equipment
  • Set up and conduct tests of complete units and of parts as they would really be used, as a way to investigate proposals for improving equipment performance
  • Record test procedures and results, numerical and graphical data, and recommendations for changes in product or test methods
  • Analyze test results in regarding design specifications and test objectives

Mechanical engineering technicians also estimate labor costs, equipment life, and plant space. Some test and inspect machines and equipment or work with engineers to eliminate production problems. They may assist in testing products by, for example, setting up instrumentation for vehicle crash tests.


Mechanical Engineers

Mechanical engineering is one of the broadest engineering disciplines. Mechanical engineers research, design, develop, build, and test mechanical devices, including tools, engines, and machines.

Mechanical engineers typically do the following:

  • Analyze problems to see how a mechanical device might help solve the problem
  • Design or redesign mechanical devices, creating blueprints so the device can be built
  • Develop a prototype of the device and test the prototype
  • Analyze the test results and change the design as needed
  • Oversee the manufacturing process for the device

Mechanical engineers use many types of tools, engines, and machines. Examples include the following:

  • Power-producing machines such as electric generators, internal combustion engines, and steam and gas turbines
  • Power-using machines, such as refrigeration and air-conditioning
  • Industrial production equipment, including robots used in manufacturing
  • Other machines inside buildings, such as elevators and escalators
  • Machine tools and tools for other engineers
  • Material-handling systems, such as conveyor systems and automated transfer stations

Like other engineers, mechanical engineers use computers extensively. Computers help mechanical engineers to do the following:

  • Produce and analyze designs
  • Simulate and test how a machine is likely to work
  • Generate specifications for parts
  • Monitor the quality of products
  • Control manufacturing and production

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