Xerox WorkCentre Pro 423 - Error Code Explanations

WorkCentre Pro 423/428 2-146 CHAPTER 2 TROUBLESHOOTING
03/02 How to use the Diagnostic C/E Mode
Self-Diagnostic Report
Procedure
After the auto diagnostic is completed, select the Menu screen (in the Diag mode).
 Press the Report/List output button.
 Press the Self-Diagnostic Report button.
 Press the Start button.
The result of the auto diagnostic is printed out as a self-diagnostic report.
Details of Self-Diagnostic Items
NO Board Diag. Items Active Result Detail Code
1 MAIN G/A MSBC
DRAM(LM) Bus Test
DRAM(WM) Bust Test
DRAM(LM) Pattern Test
DRAM(WN) Pattern Test
BP-F Register ReadTest
BP-F Register R/W Test
BP-F DRAM Bust Test
BP-F DRAM Pattern Test
BP-F DMA
BP-F CODEC
BP-F EXPRED
BP-F CLIPPER
G3M DRAM
G3M DPRAM
G3M ROM
G3M DPMC
G3M CODEC, RCNV, Image RAM
G3M MODEM Register Test
G3M Loop Test
G3M EEPROM
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
D1-35
OK
OK
OK
2108
2 OM DRAM(OM) Bust Test
DRAM(OM) Pattern Test
ON OK
3 MOMORY/
RTC
ROM
EEPROM
SRAM Bus Test
SRAM Pattern Test
RTC
ON
ON
OK
OK
4 PANEL PANEL ON OK
5 OP-MOTO Loop Back ON OK
6 G3M1 DRAM
DPRAM
ON
ON
OK
OK
NO Board Diag. Items Active Result Detail Code
ROM
DPMC
CODEC, RCNV, Image RAM
MODEM Register Test
MODEM Loop Test
EEPROM
ON
ON
ON
ON
ON
OK
OK
OK
OK
OK
7 G3M2 DRAM
EEPROM
DPRAM
ROM
DPMC
CODEC, RCNV, Image RAM
MODEM Register Test
MODEM Loop Test
EEPROM
ON
ON
ON
ON
ON
ON
ON
ON
OK
OK
OK
OK
OK
D1-37
OK
OK
2108
8 G4M0 DRAM
CODEC, RCNV, Image RAM
Loop Back
DPMC
ON
ON OK
OK
9G4M1 ROM
SRAM
DPRAM
CODEC, RCNV, Image RAM
Loop Back
DPMC
ON
ON OK
OK
10 ICM ROM
RAM
DPRAM
ST Transceiver
ON
ON
OK
OK
11 HDIF/HDD Logical Block Read/Write Test