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Contents 1
Contents .............................................. iii
Preface ............................................... vi
SafetyInformation..................................... vi
GeneralInformation ....................................1-1
Resolution and Print Speed ............................1-1
PowerConsumption..................................1-1
Maintenance Approach................................1-1
Abbreviations....................................1-2
UniqueToolsRequiredForService...................1-2
DiagnosticInformation .................................2-1
Start..............................................2-1
ErrorIndicatorTable...............................2-2
Power-On Self Test (POST) Sequence ................2-2
POSTSymptomTable.............................2-3
SymptomTables .................................2-4
ServiceChecks......................................2-6
EnvelopeFeedServiceCheck.......................2-6
FirstPrintLineServiceCheck.......................2-6
MaintenanceStationServiceCheck ..................2-7
Paper Feed Service Check .........................2-8
Paper Path Service Check .........................2-10
ParallelPortServiceCheck........................2-11
PowerServiceCheck.............................2-11
PrintQualityServiceCheck........................2-12
TransportServiceCheck..........................2-14
DiagnosticAids .......................................3-1
EncoderSensorTest.................................3-2
InitializeErrorLog....................................3-3
Paper Sensor Test ...................................3-4
ParallelPortTest ....................................3-5
PrintNVRAMContents................................3-6
TestPage..........................................3-7