HP LaserJet 2550L Printer "4 power button" Questions

is there a power button on a hp laserjet 4 Hello, sure the power button is located at the right front at the bottom of the printer. See Photo

...Power on while memory count is counting up press and hold green check button till all 3 lights on solid.3. Press up button until nvram init appears. 4. Press select button. can google hp 4650 nvram ...

...4. The control panel will display SELECT LANGUAGE. 5. Press the DOWN ARROW button until control panel displays COLD RESET. 6. Press green SELECT button. The printer will perform a cold reset and then ...

...4) Now ON the POWER BUTTON 5) The 3 lights above the green go button will go ON and then OFF 6) As soon as the lights get OFF, release GREEN GO BUTTON 7) Now immediately press and hold RED CANCEL ...

...Power off the printer. 2. Press and hold the Go button. 3. Power the device back on while holding the Go button for 20 - 30 seconds. 4. Release the Go button. Hope this fix your problem thanks ...

...power-on sequence. 4. When Permanent Storage Init. appears on the control-panel display, release the buttons. 5. When prompted, set the language and telecom country/region. 6. Allow the all-in-one to ...

...4. Press the Check button. The printer will initialize the User space on the Compact flash and will continue it?s power-on sequence. If I could be of further assistance, let me know. If this helps or ...

...I remember you hold down two buttons on the front for 30 seconds but which ones Grace from Seattle Power the printer on, and press and hold the "Online" button to revert back to factory ...

...power cycle the printer until you see the toner levels. Then follow these directions: 1.)Press the Green button 1X 2.)Press the Right arrow button 1X 3.)Press the Green button 2X 4.)Press the Right ...

the power chord, USB and any other wire attached to the printer. 3.Press and hold the power button for 30 seconds and then release it. 4. Attach all the chords and try printing. I think that will work