Control panel message Description Recommended action
6 Remove all DIMMs and flash-memory
cards. Do not remove the firmware
memory card that is in slot 1.
7 Remove all of the EIO devices.
8 Turn the MFP on.
9 If the error message disappears,
reinstall each DIMM, flash-memory
card, and EIO device individually,
making sure to turn the MFP power off
and then on again as you install each
device.
10 Replace the component that caused
the error message.
11 If the error persists, replace the
formatter. See
Formatter cover and
formatter.
50.X FUSER ERROR
A fuser error has occurred.
■ 50.1 = Low fuser temperature at startup
■ 50.2 = Low fuser temperature during
printing
■ 50.3 = High fuser temperature during
printing
■ 50.4 = Faulty fuser
■ 50.5 = The wrong fuser is installed, or
no fuser is installed
1 Turn the MFP off, and allow it to cool.
2 Verify that the correct model of fuser is
installed.
3 Verify that the correct voltage fuser is
installed.
4 Reinstall the fuser, and check the
connection between the fuser and the
MFP. Replace the connector if it is
damaged.
5 Replace the fuser.
6 Replace the dc controller PCA. See
DC
controller.
7 Replace the power supply. See
Engine
power supply.
51.XY ERROR To continue turn off then
on
A temporary printing error has occurred.
■ 51.1 = Beam-detect error
■ 51.2 = Laser error
1 Turn the MFP off, and then turn the
MFP on.
2 Reseat the connectors between the
laser/scanner and the dc controller
PCA (J83 and J84).
3 Replace the laser/scanner assembly.
See
Laser/scanner.
4 Replace the dc controller PCA. See
DC
controller.
Table 7-2 Control-panel messages (continued)
326 7 Troubleshooting
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