Engine reset
- HP Color LaserJet 4700 Q7491A
- HP Color LaserJet 4700n Q7492A
- HP Color LaserJet 4700dn Q7493A
- HP Color LaserJet 4700dtn Q7494A
- HP Color LaserJet 4700ph+ Q7495A
- HP Color LaserJet CP4005n CB503A
- HP Color LaserJet CP4005dn CB504A
Cold reset
A cold reset unlocks menus that have been locked and resets control panel variables. However, it
does not clear the values in the SERVICE menu (such as the serial number and page counts).
To perform a cold reset
WARNING! Performing a cold reset erases all of the EIO card information.
- Turn the printer on.
- As the printer performs its power-on sequence, press and hold until all three lights on the control panel are lit.
- When SELECT LANGUAGE displays on the control panel, press [UP BUTTON] until COLD RESET displays on the control panel.
- Press [SELECT BUTTON]. The printer performs a cold reset and then continues its power-on sequence.
CAUTION Initializing NVRAM resets the serial number, the event log, the page counts, thecalibration settings, and the EIO card.
Use the SERVICE menu to restore the serial number and page counts. You also need to reconfigure any computers that print to this printer to recognize the printer. Initialize NVRAM only when absolutely necessary. In most situations, use a cold reset to reset printer variables but still retain the needed values in the SERVICE menu.
Before initializing NVRAM, print a configuration page and a supplies status page to gather the following information:
● Total page count and color page count
● Serial number
To initialize NVRAM
Use the SERVICE menu to restore the serial number and page counts. You also need to reconfigure any computers that print to this printer to recognize the printer. Initialize NVRAM only when absolutely necessary. In most situations, use a cold reset to reset printer variables but still retain the needed values in the SERVICE menu.
Before initializing NVRAM, print a configuration page and a supplies status page to gather the following information:
● Total page count and color page count
● Serial number
To initialize NVRAM
- Turn the printer on and watch the control panel display.
- When the display shows the memory count, press and hold [DOWN BUTTON] until all three lights on the control panel are lit.
- Press [UP BUTTON].
- Press Menu. The message SKIP DISK LOAD displays on the control panel.
- Press [UP BUTTON] until NVRAM INIT is highlighted.
- press [SELECT BUTTON] The printer initializes NVRAM and then continues its power-on sequence.
4 Responses to "COLD RESET PRINTER HP COLOR LASER 4700 / CP4005"
Press and Hold WHAT???? I can't figure out the cold reset. It says press and hold until all three lights come on, but it doesn't tell you what to press and hold.
Guess You have to press GO button - grenn with check sign.
And you have to wait to press the Green select button till the memory count show up in the display.
press and hold the menu button and the go button with check mark
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