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Contents iii
4059-XXX
Contents
Notices and Safety Information.......................ix
LaserNotices....................................... ix
SafetyInformation.................................. xvii
Preface.............................................xxii
General Information ................................... 1-1
Options .......................................... 1-4
Maintenance Approach . . . ........................... 1-5
Tools Required For Service........................... 1-5
Acronyms......................................... 1-6
Diagnostic Information ................................. 2-1
Start............................................. 2-1
ServiceErrorCodes.............................. 2-2
User Status Messages . .......................... 2-12
User Error Messages . . .......................... 2-16
Power-OnSelfTest(POST)....................... 2-24
SymptomTables................................ 2-25
ServiceChecks................................... 2-28
ChargeRollServiceCheck ....................... 2-29
CoverOpenSwitch/CableServiceCheck............ 2-31
DeadMachineServiceCheck..................... 2-32
DuplexOptionServiceCheck...................... 2-35
Envelope Feeder Option Service Check ............. 2-39
EraseLampServiceCheck....................... 2-46
FanServiceCheck.............................. 2-47
FuserServiceCheck ............................ 2-48
Fuser Envelope Conditioner Solenoid Service Check . . . 2-51
Input Sensor Service Check....................... 2-57
Input Tray(s) Option Service Check ................. 2-58
High Capacity Feeder Input Tray Service Check ....... 2-61
MainDriveServiceCheck........................ 2-73
Operator Panel Service Check..................... 2-74
OptionsServiceCheck........................... 2-76
OutputBinSensorStandardTrayServiceCheck...... 2-78
Output Expander Service Check . . ................. 2-79
Paper Feed Service Check........................ 2-86
ParallelPortServiceCheck....................... 2-89
Printhead Service Check ......................... 2-89
PrintQualityServiceCheck....................... 2-91