Xerox phaser 7500DN does not proceed after warming up screen. Hangs on Warming Up Screen.

Your Configuration Chip 069E00520 may be bad.

If not that...then the Main Controller 960K41683 would be the culprit.

Try supping the black drum with the yellow, If you get a diffrent fault code replace the black drum.

First of all Printer's service
then see what is flashing in your printer's screen

Try resetting. Power unplug - not off only for a few minutes and replug. You might get lucky.

Srri but this is a fuser failure. The lamp has probably blown so it cannot generate any heat. best buy a new fuser unit. A lot of the machine has to come apart to fit it. You would be better taking it a shop for them to repair it.
srri

Your fuser lamp has probably blown. Only solution is to replace fuser. After replacing fuser, you will need to go into diags and reset tech rep faults.
Press and hold back button and info button whilst turning on printer. This will put you into diags. Scroll down to NVRAM access and select. From there select reset tech rep faults. Not sure which set of faults so reset all three by highlighting and pressing ok button. You will return to the previous screen, so select reset tech rep again, scroll down to next set of codes, press ok again and so on. Once all three have been reset, press back button to go back to NVRAM access, scroll down to exit and press ok. Machine will now reboot.

xerox mfp 3200 flashes the message warming up and not open

Sounds like the NVM was corrupted and it can't boot properly.
Probably needs to have the firmware reloaded.

The fuser is not coming to temperature. Probably bad temperature senor on fuser. Replace fuser.