3,0Xx.6X - Ipc Program Faults - Xerox Phaser 8400 Service Manual

c.
Insert or replace configuration card.
d. Turn on printer.
e.
If problem continues, replace the electronics module.

3,0XX.6x - IPC Program Faults

There is a communication problem between the engine and PostScript regions.
a.
Reset NVRAM, and then retest.
b. Replace the EEPROM chip.
3-12 Phaser 8400/8500/8550 Color Printer