Xerox WorkCentre Pro 423 - Interpreting Printer Messages

03/02 How to use the Diagnostic C/E Mode
WorkCentre Pro 423/428 2-143 CHAPTER 2 TROUBLESHOOTING
Label Item
Bit7:DRAM
Bit6:DPRAM
Bit5:ROM
Bit4:DPMC
Bit3:CODEC,RCNV,Image RAM
Bit2:MODEM Register, RAM
Bit1:MODEM Loop Back Test
Bit0:EEPROM
AUTO DIAG SELECT 8 Select auto diagnosis(G3M2)
Bit7:DRAM
Bit6:DPRAM
Bit5:ROM
Bit4:DPMC
Bit3:CODEC,RCNV,Image RAM
Bit2:MODEM Register, RAM
Bit1:MODEM Loop Back Test
Bit0:EEPROM
AUTO DIAG SELECT 9
Select auto diagnosis(G4M0)
Bit7:ROM
Bit6:SRAM
Bit5:DPRAM
Bit4:CODEC,RCNV,Image RAM
Bit3: Internal Loop Back
Bit2:DPMC
Bit1: Not used
Bit0: Not used
AUTO DIAG SELECT 10 Select auto diagnosis(G4M1)
Bit7:ROM
Bit6:SRAM
Bit5:DPRAM
Bit4:CODEC,RCNV,Image RAM
Bit3: Internal Loop Back
Bit2:DPMC
Bit1: Not used
Bit0: Not used
AUTO DIAG SELECT 11 Select auto diagnosis(ICM)
Label Item
Bit7:ROM
Bit6SRAM
Bit5:DPRAM
Bit4:ST Transceiver
Bit3: Not used
Bit2: Not used
Bit1: Not used
Bit0: Not used
AUTO DIAG SELECT 12 Select auto diagnosis(HDIF/HDD)
Bit7:Logical Block R/W Check (Nondestructive)
Bit6:HDD built-in diagnosis
Bit5: Not used
Bit4: Not used
Bit3: Not used
Bit2: Not used
Bit1: Not used
Bit0: Not used