CLJ 5550dtn shuts down during calibration

To initialize NVRAM

When the display begins showing the memory count, press and hold until all three lights on the control panel are lit.

Resetting the NVRAM will reset all printer values including network, printer setup, job defaults, margin and paper calibrations to factory defaults. Note: It is recommended to print a configuration page prior to resetting the NVRAM. Press the Down Arrow and scroll to Troubleshooting.

Keep pressing Shift + Option + Control + Power for 10 seconds and indicator is still orange. Indicator turns to green when release all keystrokes and keeps almost 1 second. Light turns to orange then.

How to do a hard reset on your printer. With the cartridges still installed, power down the printer and then unplug the power cord from the wall. Wait for a minute, then plug the printer back in and power it back up. Wait for the cartridges to center and then try printing again.

A printer`s NVRAM is used to store settings essential to the printer`s identity and operation. These include the printer`s serial number, network settings, event log, page counts, maintenance counts and service menu settings.

There is no harm in resetting it as often as you like, but there should be no routine need to do that.

A failure of the CMOS (BIOS) chip on your motherboard. If the CMOS chip is going bad or is not making proper contact with the motherboard`s contacts, then the NVRAM will fail.

nvram -xp gives you an XML file of NVRAM`s key/value pairs. After running sudo nvram -c to clear the NVRAM, the XML file given by nvram -xp will be empty. That`s how you can verify that you`ve reset it. Then, you have to restart for the reset to become effective.

Open the printer`s web page and Sign in as Administrator. On the General tab select Reset Factory Settings in the menu.

Press and hold the printer`s power button for 15 seconds. The printer should be directly connected to the wall outlet and not to a surge protector. Reconnect the power cable to print and the printer should power ON by itself. If the printer doesn`t power ON then please manually power it ON.

To perform a NVRAM initialization: Turn the printer power off. Press and hold GO. Turn the printer power back on and continue to hold GO until the Attention, Ready, and Go lights turn on. Release GO.

An NVRAM initialization clears all settings/values and forces the printer to revert to default or empty/blank settings.

An NVRAM initialization clears all settings/values and forces the printer to revert to default or empty/blank settings.

Resetting the NVRAM will reset all printer values including network, printer setup, job defaults, margin and paper calibrations to factory defaults. Note: It is recommended to print a configuration page prior to resetting the NVRAM. Press the Down Arrow and scroll to Troubleshooting.

An NVRAM initialization clears all settings/values and forces the printer to revert to default or empty/blank settings.

Resetting the NVRAM will reset all printer values including network, printer setup, job defaults, margin and paper calibrations to factory defaults. Note: It is recommended to print a configuration page prior to resetting the NVRAM. Press the Down Arrow and scroll to Troubleshooting.