Need to change the time on officejet 6210 All In one.

Here is the link to the User Guide if you need it. Page 88 of the PDF gives step-by-step instructions for changing the time on your printer.
http://h10032.www1.hp.com/ctg/Manual/c00238458.pdf

1 Press Setup.
2 Press 4, and then press 1.
This selects Basic Fax Setup and then selects Date and Time.
3 Enter the month, day, and year by pressing the appropriate numbers on the
keypad. Depending on your country/region setting, you might enter the date in a
different order.
The underline cursor is presented initially beneath the first digit; it automatically
advances to the next digit when you press a button. The time prompt
automatically appears after you enter the last digit of the date.
4 Enter the hours and minutes.
5 If your time is displayed in the 12-hour format, press 1 for AM, or 2 for PM.
The new date and time settings appear on the control panel display.