User's Manual
Table 1-5 Dimensions for the printer with the optional 550-sheet tray (continued)
Measurement Printer fully closed Printer fully opened
3. Width 381 mm (15 in) 381 mm (15 in)
Weight (with cartridges) 12.6 kg (27.8 lb) 12.6 kg (27.8 lb)
Power consumption, electrical specications, and acoustic emissions
In order to operate properly, the printer must be in an environment that meets certain power specications.
For current information, see the support home page for your printer:www.hp.com/support/ljM304 or
www.hp.com/support/ljM404.
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
Review the recommended operating-environment specications for your printer.
Table 1-6 Operating environment specications
Environment Recommended Allowed
Temperature 17.5° to 25°C (63.5° to 77°F) 15° to 32.5°C (59° to 90.5°F)
Relative humidity 30% to 70% relative humidity (RH) 10% to 80% RH
Printer hardware setup and software installation
For basic setup instructions, see the Hardware Installation Guide that came with the printer. For additional
instructions, go to HP support on the web.
Go to www.hp.com/support/ljM304 or www.hp.com/support/ljM404 for HP's all-inclusive help for the printer,
which includes the following information:
● Install and congure
● Learn and use
● Solve problems
● Download software and rmware updates
● Join support forums
● Find warranty and regulatory information
● Find instructions about how to use the Microsoft Add Printer tool
ENWW Printer hardware setup and software installation 11