HP LaserJet Enterprise MFP M634, M635, M636 - User Guide
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
Table 1-38 Operating environment range
Environment Recommended Allowed
Temperature 17° to 25°C (62.6° to 77°F) 10° to 32.5°C (50° to 90.5°F)
Relative humidity 30% to 70% relative humidity (RH) 10% to 80% RH
ENWW Printer specications 25