Event code Description
59.8000 Black developer motor rotation error
59.8300 Yellow developer motor rotation error
59.9000 ITB motor start error
Event-log-only messages
The following product events do not produce a message that appears on the control panel. Instead, they
are recorded in the event log.
NOTE: The following solutions are suggested for very persistent error-log entries.
Table 7-14 Event-log-only messages
Event code Description Solution
20.0000 Memory out 1. Turn off the power by using the power switch, and then wait at least 30
seconds.
2. Turn on the power and wait for the product to initialize.
If the error persists, break the job into smaller jobs that contain fewer pages.
If the error persists, update the firmware.
NOTE: For memory-card models, adding memory to the DIMM slot might
help solve this problem.
54.0100 Environmental sensor error Verify that the DC controller connectors are firmly connected.
If the error persists, replace the temperature/humidity sensor.
If the error persists, replace the DC controller.
54.0600 Density sensor error Verify that the cables between the DC controller and the ITB are firmly
connected.
If the error persists, replace the color misregistration sensor.
If the error persists, replace the ITB.
If the error persists, replace the DC controller.
54.1100
Black density out of range
54.1101 Cyan density out of range
54.1102 Magenta density out of range
54.1103 Yellow density out of range
54.1200 Black density measurement
abnormality
54.1201 Cyan density measurement
abnormality
54.1202 Magenta density
measurement abnormality
54.1203 Yellow density
measurement abnormality
Table 7-13 Event-log messages (continued)
ENWW Event-log messages 279
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