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Diagnostic Information 2-4
4059-XXX
929 Toner Sensor The toner sensor is not operating properly, the developer
drive assembly is not operating properly or the print
cartridge is defective. Go to the “Remove Paper - Output
BinXisdisplayed,POSTIncomplete,Unabletoclearthe
message.” on page 2-84.
930 Printhead
Error
The wrong printhead is installed. Replace with the
correct printhead.
931-935
Printhead Error
These errors represent a problem with the printhead. Go
to the “Printhead Service Check” on page 2-89.
931 - Printhead:
no first Hsync
932 - Printhead:
Lost HSYNCS
934- MirrorMotor
Lost Lock
935- MirrorMotor
unable to reach
operating speed.
936-937
Transport Motor
Indicates a problem with the main drive motor. Go to the
“MainDriveServiceCheck”onpage2-73.
936 - Main Drive
Motor initial lock
failure
937 - Main Drive
Motor lost lock
Error Code Action