Question about HP LaserJet 2420 Printer

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HP 2420dn out of paper

Recently when the printer runs out of paper and it is reloaded it will not remove the out of paper message. It will not print manually or other wise. Nothing seems to be physically wrong with the printer. Any ideas?

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To perform a cold reset
1. Turn the printer off.
2. Hold down the SELECT ( ) button, and then turn the printer on. Continue holding down
the SELECT ( ) button until all three printer control-panel lights flash once and then
remain on. This might take up to 10 seconds.
3. After the message SELECT LANGUAGE appears on the display, press the
UP ARROW ( ) button or the DOWN ARROW ( ) button until COLD RESET is highlighted.
4. Press the SELECT ( ) button. The printer performs a cold reset and then continues its
power-on sequence.
5. Check all I/O settings and reset any customer-set printer configuration values.
ENWW Printer resets and power-on modes 163

Posted on Mar 16, 2008

  • Hashem Nashash
    Hashem Nashash Mar 16, 2008

    To initialize NVRAM
    1. Remove any installed accessories (for example, a stapler/stacker).
    2. Turn the printer off.
    3. Hold down the DOWN ARROW ( ) button, and then turn the printer on. Continue holding
    down the DOWN ARROW ( ) button until all three printer control-panel lights flash once and
    then remain on. This might take up to 10 seconds.
    4. Press the UP ARROW ( ) button.
    5. Press the PAUSE/RESUME button. The display should show SKIP DISK LOAD.
    6. Press the UP ARROW ( ) button until NVRAM INIT is highlighted.
    7. Press the SELECT ( ) button. The printer initializes NVRAM and then continues its poweron
    sequence.
    Hard-disk initialization
    CAUTION A hard-disk initialization erases and reformats the printer hard disk. Perform a hard-disk
    initialization only if an error code on the control panel indicates an EIO disk error. Always try
    initializing the hard disk before replacing it.
    NOTE Before performing a hard-disk initialization, print a menu map and a configuration page (see
    Menu map and Configuration page). Use the information on the configuration page to reset
    any customer-set printer configuration values that the hard-disk initialization procedure
    changes.
    To initialize the hard disk
    1. Turn the printer off.
    2. Hold down the PAUSE/RESUME button, and then turn the printer on. Continue holding down
    the PAUSE/RESUME button until all three printer control-panel lights flash once and then
    remain on. This might take up to 10 seconds.
    3. Press the BACK ARROW ( ) button. The display should show INITIALIZE DISK.
    4. Press the SELECT ( ) button. The printer initializes the hard disk and continues its power

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      c00318773.gif
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      c00318777.gif
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      c00318782.gif
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