Xerox WorkCentre Pro 423 Service Manual

Also see for WorkCentre Pro 423: Scanner guide Fax guide Brochure & specs Fax guide User guide

03/02 ContentsWorkCentre Pro 423/428 2-1 CHAPTER 2 TROUBLESHOOTING1Contents2.1 Preface....................................................................................................................22.2 Level 1 Troubleshooting ..........................................................................................32.3 Level 2 Troubleshooting ..........................................................................................42.3.1 Status Code Lists ....................................................................................................42.3.1.1 Types of Status Code..............................................................................................42.3.1.2 A List of IIT/IOT Status Codes.................................................................................42.3.1.3 ESS/Fax Status Codes..........................................................................................112.3.1.4 V Code List............................................................................................................112.3.1.5 K Code List............................................................................................................242.3.1.6 D Code List ...........................................................................................................322.3.1.7 Corrective Action for X Codes ...............................................................................342.3.1.8 Corrective Action for X Codes Flow Chart.............................................................342.3.1.9 Activity Report in User Mode.................................................................................352.3.1.10 Activity report in Diag C/E Mode ...........................................................................352.3.1.11 Protocol Monitor ....................................................................................................362.3.1.12 X Codes List..........................................................................................................462.3.1.13 Printer/ESS Codes List..........................................................................................552.3.1.14 Internal Codes List ................................................................................................672.3.2 Troubleshooting in ISDN Communication .............................................................752.3.2.1 ISDN Line Basic Troubleshooting Flow .................................................................762.3.2.2 ISDN Basic Sequences .........................................................................................782.3.2.3 G4 Fax Protocol Monitor .......................................................................................822.3.2.4 D Channel Troubleshooting...................................................................................852.3.2.5 B Channel Troubleshooting...................................................................................932.3.2.6 ISDN Fax Installation Notes ................................................................................1012.3.2.7 Explanation of Common Terms...........................................................................1012.3.2.8 Installation Notes.................................................................................................1032.3.2.9 Cases of Parameter Setting Error or Mismatch...................................................1052.3.3 Super G3 Fax......................................................................................................1062.3.3.1 Super G3 Fax Introduction ..................................................................................1062.3.3.2 V.8 CM/JM Signal ...............................................................................................1072.3.3.3 V.8 Operation for Auto Transmission ..................................................................1082.3.3.4 V.8 Operation for Manual Transmission ..............................................................1082.3.3.5 Troubleshooting of Super G3 Fax .......................................................................1092.3.4 IIt/IOT Status Code FIP ...................................................................................... 1102.3.5 Other Fault FIP ................................................................................................... 1312.3.6 General Purpose FIP.......................................................................................... 1372.4 How to Use the Diagnostic (C/E) Mode .............................................................. 1402.4.1 Entering the Diagnostic (C/E Mode) ................................................................... 1402.4.2 Exiting the Diagnostic (C/E Mode)...................................................................... 1402.4.3 Entering the Chain Function ............................................................................... 1402.4.4 Changing the Chain Function ............................................................................. 1402.4.5 Memory Read/Write............................................................................................ 1402.4.6 Memory Clear..................................................................................................... 1402.4.7 ASCII Code ........................................................................................................ 1412.4.8 Self-Diagnosis .................................................................................................... 1422.4.9 Chain Function Codes ........................................................................................ 1472.4.9.1 Output Check Chain Function Code List ............................................................ 1472.4.9.2 Input Check Chain Function Code List ............................................................... 1492.4.9.3 NVM Settings...................................................................................................... 1502.4.9.4 Test Print ............................................................................................................ 1562.4.9.5 Billing/EPSV ....................................................................................................... 1582.4.9.6 Custom Presets .................................................................................................. 1602.4.9.7 HFSI Counter/CRUM.......................................................................................... 1682.4.9.8 Fault History/Counter.......................................................................................... 1692.4.9.9 Mode Set ............................................................................................................ 1712.4.9.10 Automatic Diagnostic.......................................................................................... 1782.4.9.11 Signal Send test ................................................................................................. 1802.4.9.12 Fax System Data ................................................................................................ 184