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4076-0XX
Contents 1
NoticesandSafetyInformation ............................vi
ElectronicEmissionNotices........................... vi
SafetyInformation...................................viii
General Information .....................................1
PowerConsumption...............................1
Options.........................................2
MaintenanceApproach ............................2
Abbreviations....................................3
UniqueToolsRequiredForService...................3
DiagnosticInformation ...................................4
Start..............................................4
ErrorIndicatorTable...............................5
Power-on-self-test (Post) Sequence ..................7
POSTSymptomTable. ............................8
SymptomTables .................................9
CarrierTransportProblems .....................9
ServiceChecks.....................................11
EnvelopeFeedServiceCheck......................11
FirstPrintLineServiceCheck......................11
MaintenanceStationServiceCheck .................12
Operator Panel Service Check......................13
Paper Feed Service Check ........................14
Paper Path Service Check .........................17
ParallelPortServiceCheck........................18
PowerServiceCheck.............................19
PrintQualityServiceCheck........................20
SimmServiceCheck.............................22
TransportServiceCheck..........................22
DiagnosticAids........................................24
DemoTest.....................................24
PrintFontsTest.................................24
PurgeTest.....................................25
PrintNvram ....................................25
TestPage......................................26
Paper Sensor Test ...............................26
Encoder Sensor Test . . ...........................27
HexPrint.......................................27
ParallelPortTest................................28
InitializeNvram..................................28
Serial Adapter Test...............................29