Error code Description Action
923.50 Fuser hot roll has exceeded the proper operating
temperature.
Replace the fuser unit assembly.
Go to
“Fuser unit assembly removal” on
page 331.
923.51 Fuser hot roll has exceeded the proper operating
temperature.
Replace the fuser unit assembly.
923.75 Fuser hot roll has exceeded the proper operating
temperature.
Replace the fuser unit assembly.
923.76 Fuser hot roll has exceeded the proper operating
temperature.
Replace the fuser unit assembly.
924.00 The fuser thermistor might be faulty.
Open the fuser thermistor check, and replace if
necessary, the fuser unit assembly.
Go to
“Fuser unit assembly removal” on
page 331.
924.01 The fuser thermistor might be faulty.
Open the fuser thermistor check, and replace if
necessary, the fuser unit assembly.
924.25 The fuser thermistor might be faulty.
Open the fuser thermistor check, and replace if
necessary, the fuser unit assembly.
924.26 The fuser thermistor might be faulty.
Open the fuser thermistor check, and replace if
necessary, the fuser unit assembly.
924.50 The fuser thermistor might be faulty. Fuser page
count has exceeded life.
Open the fuser thermistor check, and replace if
necessary, the fuser unit assembly.
924.51 The fuser thermistor might be faulty. Fuser page
count has exceeded life.
Open the fuser thermistor check, and replace if
necessary, the fuser unit assembly.
924.75 The fuser thermistor might be faulty. Fuser page
count has exceeded life.
Open the fuser thermistor check, and replace if
necessary, the fuser unit assembly.
924.76 The fuser thermistor might be faulty. Fuser page
count has exceeded life.
Open the fuser thermistor check, and replace if
necessary, the fuser unit assembly.
4062
Diagnostic information
203