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Dragon_born
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Message 1 of 2
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Cold Reset for HP LaserJet M4345 MFP

HP Recommended
HP LaserJet M4345 MFP

Good afterrnoon, I've tried the cold reset options such as holding down the 6 key until the LEDs at the left flash and hold steady - and then moving through the menus using 3 and 9 - but before I can change any menu, "password" appears on the screen.  The password is unknown to my office.

 

Is there a way to do a cold reset that does not use a password?

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davidzuts
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Message 2 of 2
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Try the NVRAM reset but read all the caution statements.

 

NVRAM initialization
NOTE If an HP LaserJet analog fax accessory 300 is installed, performing an NVRAM
initialization can cause the MFP to violate local telephone regulations. Reset the language and
country/region after performing NVRAM initialization. For more information, see the
HP LaserJet Analog Fax Accessory 300 Service Manual.
Before performing an NVRAM initialization, print a menu map and a Configuration page. Use
the information on these pages to reset any customer-specific settings.
CAUTION All HP Jetdirect settings are also reset. Be sure to print a Configuration page
before performing a cold reset. Make note of the IP address that is listed on the Jetdirect
Configuration page. You will need to restore the IP address after performing an NVRAM
initialization.
Performing an NVRAM initialization resets the following settings and information:
● All menu settings are reset to factory default values, including the fax header and company
name.
● All faxes in memory are erased.
● All speed-dials, group-dials, and phonebook entries are erased.
● All localization settings, including language and country/region, are reset.

 

After performing an NVRAM initialization, reconfigure any computers that print to this MFP so that
the computers can recognize the MFP.
1. Turn the MFP off and then on.
2. Before the memory count appears on the control-panel display, press and hold 9 until all three
LEDs flash once and then stay on. This might take up to 20 seconds.
3. Press 3 one time, and then press Start.
4. Press 3 two times until NVRAM INIT appears on the control-panel display.
5. Press 6 one time, and wait while the MFP completes its initialization sequence.

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