Control panel message Description Recommended action
50.8 FUSER ERROR The fuser has experienced a low-
temperature error.
1. Remove any paper jams from the fuser
area.
2. Reinstall the fuser. Check the connector
(J50) between the fuser and the
product. Replace the cable or fuser if the
connector is damaged.
3. If the problem persists, replace the
fuser. See
Fuser on page 179.
50.9 FUSER ERROR The fuser has experienced a high-
temperature error.
1. Reinstall the fuser. Check the connector
(J150) between the fuser and the
product. Replace the cable or fuser if the
connector is damaged.
2. If the problem persists, replace the
fuser. See
Fuser on page 179.
50.X FUSER ERROR A fuser error has occurred. Make sure you have the correct fuser. Re-
seat the fuser. Turn the product off, and then
turn the product on.
51.20 ERROR
To continue turn off then on
51.21 ERROR
To continue turn off then on
The black laser (51.20) or cyan laser (51.21)
has experienced an error.
1. Reconnect the connectors of the laser
driver PCA (J503) and the DC controller
PCA (J111).
2. Replace the cyan/black laser scanner.
See
Laser/scanner assembly (C/Bk)
on page 272.
51.22 ERROR
To continue turn off then on
51.23 ERROR
To continue turn off then on
The magenta laser (51.22) or yellow laser
(51.23) has experienced an error.
1. Reconnect the connectors of the laser
driver PCA (J501) and the DC controller
PCA (J110).
2. Replace the yellow/magenta laser-
scanner. See
Laser/scanner assembly
(Y/M) on page 265.
51.XY ERROR
51.XY ERROR
To continue turn off then on
A printer error has occurred. Turn the product off then on.
52.00 ERROR
To continue turn off then on
The scanner has experienced a startup error. 1. Perform the laser scanner component
tests in the DIAGNOSTICS menu.
2. Depending on the test results, perform
one of the following steps:
◦
If the cyan or black component
tests showed a startup failure,
reconnect the connectors (J503)
on the laser PCA and (J106 and
J111) on DC controller PCA .
◦
If the yellow or magenta
component tests showed a startup
failure, reconnect the connectors
(J501) on the laser PCA and (J106
Table 7-13 Control-panel messages (continued)
376 Chapter 7 Solve problems ENWW
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