iii
4026-0XX
Contents 1
NoticesandSafetyInformation ..........................vi
LaserNotice....................................... vi
SafetyInformation.................................. xvi
OzoneInformation ................................. xix
Preface .............................................xx
GeneralInformation ...................................1-1
Options.......................................... 1-1
Maintenance Approach.............................. 1-1
Tools Required For Service .......................... 1-1
Acronyms........................................ 1-2
DiagnosticInformation ................................2-1
Start ............................................ 2-1
ServiceErrorCodes............................. 2-2
UserErrorMessageTable........................ 2-6
UserSecondaryErrorMessageTable............... 2-8
Power-OnSelfTest(POST)...................... 2-10
POSTSymptomTable.......................... 2-12
SymptomTable ............................... 2-13
ServiceChecks................................... 2-15
ChargeBrushServiceCheck..................... 2-15
CoverInterlockServiceCheck.................... 2-16
D-RollAssemblyServiceCheck................... 2-16
ExitSensorServiceCheck....................... 2-17
FanServiceCheck............................. 2-17
ColdFuserServiceCheck....................... 2-18
HotFuserServiceCheck........................ 2-20
Input Sensor Service Check...................... 2-20
Low Voltage Power Supply Service Check . . . ....... 2-22
MainDriveMotorServiceCheck.................. 2-25
Operator Panel Service Check.................... 2-27
Optional Paper Tray Two Service Check ............ 2-28
Paper Take-Up Solenoid Service Check ............ 2-32
ParallelPortServiceCheck...................... 2-34
Paper Feed Service Check ...................... 2-34
Paper Feed Frame Assembly Service Check . ....... 2-37
PrintQualityServiceCheck...................... 2-38
RegistrationServiceCheck...................... 2-44
TransferAssemblyServiceCheck................. 2-44
TransferCoronaServiceCheck................... 2-45
ROMSIMMServiceCheck ...................... 2-45
