To initialize NVRAM
1. Remove any installed accessories (such as the EIO card).
2. Turn the printer off.
3. Turn the printer on. When the printer begins its memory count, press and hold down
until all
three printer control-panel lights flash once and then remain on. This might take up to 10 seconds.
4. Press
.
5. Press
. The control-panel display should show NVRAM INIT.
6. Press
. The printer initializes NVRAM and then continues its power-on sequence.
Perform the self test
1. Turn the printer off.
2. Turn the printer on. When the printer begins its memory count, press and hold
until all three
printer control-panel lights flash once and then remain on. This might take up to 10 seconds.
3. Press
or until SELF TEST is highlighted.
4. Press
. The printer continues the power-on sequence and begins to continuously print
configuration pages.
5. Press the Stop button to exit the self test.
Save + Restore
When you exchange the formatter and the DC controller, it is important that they are not replaced at the
same time. The HP LaserJet 5200 Series printer has a Save and Restore feature which saves the printer
settings in NVRAM on the formatter and DC controller. These printer settings include not only printer
identity (for example, model, printer name, serial number, and Jetdirect Inside), but also custom printer
settings that the user has established. When the printer is turned on after either a new formatter or a
new DC controller is installed, it recognizes that the new formatter or DC controller does not have the
saved NVRAM settings. The printer then writes to the NVRAM on the new formatter or DC controller.
Avoid these two repair mistakes when servicing the formatter or the DC controller on any HP LaserJet
5200 Series printer:
●
Do not replace the formatter and DC controller at the same time. If the formatter and the DC
controller are replaced at the same time (the old parts removed and the new parts immediately
installed), the NVRAM is blank. You then have to call HP and escalate to HP Advanced Technical
Services (ATS) in order to reset the printer. In some cases, such as Jetdirect Inside, the information
is not recoverable.
●
If a previously used DC controller is installed (one that was previously installed in another printer,
even if only for one power cycle), the printer compares the NVRAM on the DC controller (which
contains other printer settings) to the NVRAM on the formatter (which contains the current printer
settings), but the Save + Restore feature will not work as intended. In some cases, such as for
changes to Jetdirect Inside, the information is not recoverable.
294 Chapter 6 Troubleshooting ENWW
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