Electrical specifications
WARNING! Power requirements are based on the country/region where the printer is sold. Do not convert
operating voltages. Doing so might damage the printer and void the product warranty.
110-volt models 230-volt models
Power requirements 110-127v (+/-10%)
50/60 Hz (+/-2 Hz)
220v-240v (+/-10%)
50/60 Hz (+/-2 Hz)
Rated current 3.5 amps 2.0 amps
Table A-2 Power consumption (average, in watts)
1,
2
Product model Printing
4
Ready
3
Off
HP LaserJet 1020 250 W 2 W 0 W
1
Values are subject to change without notice. See http://www.hp.com/support/lj1020/ for current information.
2
Power reported is the highest value measured for monochrome printing using all standard voltages.
3
The default time from Ready mode to PowerSave mode and the recovery time from PowerSave mode to the start of printing is
negligible (less than 10 seconds) because of the instant-on fusing.
4
HP LaserJet 1020 speed is 14 ppm for A4 media and 15 ppm for letter media.
5
The heat dissipation in Ready mode is 20 BTU/hour.
74 Appendix A Printer specifications ENWW
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