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##### Asked by: Amna Zambianchi

home and garden home appliances# How many watts does a HP LaserJet printer use?

**4250**is 20 watts or 0.02 kW while the sleep modeprinter power consumption value is 18 watts or 0.018 kW. The speedof the HP LaserJet

**4250**is 45 pages per minute for lettersize sheets which is what we'll take.

Also to know is, how many watts does a HP printer use?

An average ink-jet which **is** designed for home**use** will typically **use** 30 to 50 **watts** when it**is printing**, in standby mode most **printers** will drawaround 3 to 5 **watts** of power. Commercial **printers**which are used in an office will draw 30 to 50 **watts** onstandby and 300 to 500 **watts** when**printing**.

**refrigerators**typically

**use**about350

**watts**, while larger models

**use**as

**much**as780

**watts**.

Secondly, how many watts does a photocopier use?

It's the hot rollers in **photocopiers** (they fusethe toner to the paper) that **use** most of the energy. Duringcopying, power consumption can be 200 to 1,300 **Watts**. Evenwhen **copiers** are on stand-by the rollers are usually kepthot, so power consumption can still be 40 to 300**Watts**.

A desktop computer uses between 60 and 250 **watts**,depending on whether it is idle. A **laptop** consumes 15 to 45**watts**.