4
Power adapter: 0957-2290
Input voltage: 200-240Vac (+/- 10%)
Input frequency: 50/60Hz (+/- 3Hz)
Ink usage
Note: Ink from the cartridges is used in the printing process in a number of different ways, including in the initialization 
process, which prepares the device and cartridges for printing, and in printhead servicing, which keeps print nozzles clear 
and ink owing smoothly. In addition, some residual ink is left in the cartridge after it is used. For more information see 
www.hp.com/go/inkusage.
Find more information
Power specications:
Power adapter: 0957-2286
Input voltage: 100-240Vac (+/- 10%)
Input frequency: 50/60Hz (+/- 3Hz)
Windows:
Mac:
For setup information, see the Setup Guide. All other product information can be found in the electronic Help and Readme. 
The electronic Help is automatically installed during printer software installation. Electronic Help includes instructions on 
product features and troubleshooting. It also provides product specications, legal notices, environmental, regulatory, and 
support information. 
Install electronic Help
After software installation, click Start > All Programs > 
HP > HP Deskjet 3000 J310 series
 > 
Help.
Find Readme
Insert software CD. On software CD locate  
ReadMe.chm. Click ReadMe.chm to open and then 
select ReadMe in your language.
Find Readme
Insert the software CD, and then double-click the Read 
Me folder located at the top-level of the software CD.
Find electronic Help
To install the electronic Help, insert the software CD in your computer and follow the on-screen instructions.
Find electronic Help
Mac OS X v10.5 and v10.6: From Help, choose Mac 
Help. In the Help Viewer, click and hold the Home 
button, and then choose the Help for your device.
Register your HP Deskjet
Get quicker service and support alerts by registering at http://www.register.hp.com.
Note: Use only with the power adapter supplied by HP.
If you have installed the software as a web download, the electronic Help is already installed along with the software.
To nd the European Union Regulatory Notice statement and compliance information, go to 
the onscreen Help, click Appendix > Technical information > Regulatory notices > European 
Union Regulatory Notice or click Technical information > Regulatory notices > European Union 
Regulatory Notice. The Declaration of Conformity for this product is available at the following 
web address: www.hp.eu/certicates.
The Readme le contains HP support contact information, operating system requirements, and the most recent updates to 
your product information. For computers without a CD/DVD drive, please go to www.hp.com/support to download and 
install the printer software.
English