Electricity and Printers Concepts

This set of flashcards covers key concepts related to electricity measurements, types of current, power protection, and printer functionality.

Current is measured in __.

Amperes (A)

Voltage is measured in __.

Volts (V)

Resistance is measured in __.

Ohms (Ω)

The symbol for resistance is __.

R

Direct Current (DC) flows in __ direction(s).

One

Alternating Current (AC) flows __ direction(s).

Back and forth

Frequency is measured in __.

Hertz (Hz)

Power is measured in __.

Watts (W)

The formula for power is __.

P = U x I

A surge protector protects against __.

Surges and spikes

A UPS stands for __.

Uninterruptible Power Supply

An Inkjet printer uses __ technology to print.

Spray

The maintenance cost and consumable supplies are part of the __ of ownership.

Total cost

The first step in the laser printing process is __.

Processing

A thermal printer uses chemically treated paper that becomes black when __.

Heated

The __ in a laser printer uses a special wire charged to about -6000 volts DC.

Primary corona wire

In a printer, 'ppm' stands for __.

Pages per minute

Power frequency

the amount of cycles per second

The impacting nature of nozzles in an Inkjet printer is that they can be prone to __.

Clogging

A 3D printer uses __ filament to create objects.

Plastic

Why do you have a battery on a motherboard

To not lose things such as BIOS Settings and date/time

In troubleshooting, common steps include restarting the printer and checking for __.

Paper jams.

The measurement unit of frequency in Europe is __.

50 Hertz.

In terms of current types, AC stands for __.

Alternating Current.

The result of excess toner being removed from the drum in a printer is called __.

Cleaning.