HP Color LaserJet CM2320 - Multifunction Printer - Page 271

Control panel message Event log error message Description Recommended action
If the error persists, verify that
thermistor connection J706 in the
upper left of the fuser area is
firmly connected.
If the error persists, replace the
fuser.
If the error persists, replace the
power supply.
If the error persists, replace the
DC controller.
If the error persists, replace the
low-voltage power supply.
50.4 Fuser Error
Turn off then on
50.4000 The product has experienced a
fuser drive circuit error.
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, verify that the
fuser heat roller and pressure
roller surfaces are not damaged.
If the fuser is damaged, replace
the fuser.
If the error persists, replace the
fuser motor.
If the error persists, replace the
power supply.
If the error persists, replace the
DC controller.
If the error persists, replace the
low-voltage power supply.
50.7 Fuser Error
Turn off then on
50.7000 The product has experienced a
fuser open error.
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, verify that the
J150, J156, and J157
connections on the DC controller
are firmly connected.
If the error persists, replace the
fuser.
If the error persists, replace the
power supply.
If the error persists, replace the
DC controller.
Table 7-12 Control-panel messages (continued)
ENWW Control-panel messages 259