Control-panel message Status alert Description Recommended action
56.X Error
Turn off then on
Tray <X> not correctly installed. Reinstall the tray.
57.01 Error
Turn off then on
Power supply fan (FM1) is
defective.
1. Reconnect the connector
(J21) on the DC controller
PCA and the connector
(J106) on the low-voltage
power supply unit.
2. Measure the voltage
between the connector
J21-2 and J25-2 on the DC
controller PCA right after the
product is turned on. If the
voltage changes from 0 V to
approximately 24 V, replace
the power supply fan.
57.02 Error
Turn off then on
The fuser fan (FM2) is defective. 1. Reconnect the connector
(J121X) on the DC
controller PCA and the
intermediate connector
(J524).
2. Measure the voltage
between the connector
J121X-6 and J121X-4 on
the DC controller PCA right
after the product is turned
on. If the voltage changes
from 0 V to approximately
24 V, replace the fixing fan.
58.04 Error
Turn off then on
Low-voltage power supply
malfunction.
1. Turn the product off and
then on.
2. Verify that connectors J21
and J25 on the DC controller
PCA are correctly seated.
Also verify that all
connectors on the low-
voltage power supply are
correctly seated.
3. If the problem remains,
replace the low-voltage
power supply.
222 Chapter 3 Solve problems ENWW
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