Computer, ATM, and office machine repairers maintain, fix, and install automated teller machines and office equipment.

Computer, ATM, and office machine repairers work on a variety of machines including:

• Personal computers
• Mainframes
• Printers
• ATM machines
• Photocopiers
• Cash registers

Repairers (or field technicians) usually go to the customer's location to make repairs. They have many tools to help figure out what is wrong with a machine. They use oscilloscopes, ammeters, and voltmeters to test circuits and electronic components. They also run computer software to help locate problems. If a problem is too complex they take the machine to a service center in order to make repairs.

Repairers use small hand tools to take machines apart and see if parts are worn out and need replacing. After repairs, they put equipment back together, using a variety of tools. They sometimes solder and weld parts together.

Repairers also do routine maintenance on machines to keep them running properly and efficiently. Machines regularly need to be realigned, calibrated, and adjusted. After making repairs or performing maintenance they run tests to make sure the equipment runs properly.

Repairers install new machines and equipment. They connect machines to power sources and communication lines. Repairers also install new software. They make sure computers and printers work together properly.

Computer, ATM, and office machine repairers talk with customers. They find out what problems they are having. They also make sure people know how to use the machines correctly. They draw up bills and invoices and keep accurate records of all repairs and maintenance. They also order parts and track inventory.