User's Manual

Power consumption, electrical specifications, and acoustic emissions
See www.hp.com/support/ljM129MFP for current information.
CAUTION: Power requirements are based on the country/region where the printer is sold. Do not convert
operating voltages. This will damage the printer and void the printer warranty.
Operating-environment range
Environment Recommended Allowed
Temperature 15° to 27°C (59° to 80.6°F) 15° to 30°C (59° to 86°F)
Relative humidity 20% to 70% relative humidity (RH), non-
condensing
10% to 80% (RH), non-condensing
ENWW Printer specifications 15