Specifications

Chapter 7: Using the Diagnostic Tool
7-35
Printer conditions and responses for Fault /Status codes
Code Conditions that caused the fault How the printer
responds to the fault
How to clear the LCD
U6
A ROM read error occurred when
the printer power was switched
ON.
A ROM write error occurred when
data was being written to ROM.
The printer shuts down
the Main Motor, ROS,
and Fuser functions.
Switch OFF the Main Power.
Switch ON the Main Power.
U2
The SOS signal intervals are
longer than the READY reference
value after 20 seconds since the
start of ROS preparation.
The LD output is lower than the
LD Power setting.
The SOS signal intervals are
longer than the FAIL reference
value since the start of ROS
preparation.
The printer shuts down
the Main Motor, ROS,
and Fuser functions.
Switch OFF the Main Power.
Switch ON the Main Power.
U4
The Fuser temperature is below
the set minimum temperature after
Power On Sequence finishes.
The Power On Sequence takes
longer than 120 seconds.
The Temperature Sensor detects
an open thermistor circuit.
The Fuser temperature raises
above the maximum set
temperature.
The heater Roll actuates for more
than 10 seconds after the
completion of the PowerOn
Sequence.
The printer cycles the
Main Motor and ROS,
and shuts down the
Fuser functions.
Switch OFF the Main Power.
Switch ON the Main Power.
E5
The Interlock is not actuated. The printer shuts down
the Main Motor, ROS,
and Fuser functions.
Close the Front Transport
Assembly.