Control panel message Description Recommended action
FOR HELP PRESS
To continue press OK
●
X=4: No VSYNC error
●
X=6: ITB detection error
●
X=7: Feed delay error
●
X=8: Fuser too hot
●
X=9: Noisy VDREQ
Turn the product off then on.
48.01 TRANSFER UNIT ERROR The transfer belt has dislocated during
printing.
Turn the product off and then on.
49.XXXX ERROR
To continue turn off then on
A firmware error has occurred. This error can be caused by corrupted print
jobs, software applications issues, non-
product specific printer drivers, poor-quality
USB or network cables, bad network
connections or incorrect configurations,
invalid firmware operations, or unsupported
accessories.
1. Turn the product off and then on.
2. If the error returns, the error might be
caused by a network connectivity
problem, such as a bad interface cable,
a bad USB port, or an invalid network
configuration setting. For more
information about solving network
problems, see
Solve connectivity
problems on page 439.
3. If the error returns, the error might be
caused by the print job, such as an
invalid printer driver, a problem with the
software, or a problem with the file you
are printing.
4. If the error returns, upgrading the
product firmware might help resolve the
error. For more information about
upgrading the firmware, see
Product
updates on page 97.
5. If error returns, replace formatter.
50.1 FUSER ERROR The fuser has experienced a low-
temperature error.
1. Remove any paper jams from the fuser
area.
2. Remove 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.
Table 7-13 Control-panel messages (continued)
374 Chapter 7 Solve problems ENWW
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