Brother HL-4150CDN User Manual page 143

Troubleshooting
Error messages (continued)
Error message
DIMM Error
Drum Error
Duplex Disabled
<The second line of the
LCD>
Close the Back
Cover of the
machine.
Duplex Disabled
<The second line of the
LCD>
Load XX paper and
press Go.
Fuser Error
Jam XXX
Low Temperature
No Belt Unit
No Drum Unit
Cause
 The DIMM is not installed
correctly.
 The DIMM is broken.
 The DIMM does not meet the
required specifications.
The corona wire on the drum unit
needs to be cleaned.
The back cover of the machine is
not closed completely.
Although the size of paper in the
paper tray matches the paper size
that was selected from the control
panel or printer driver, the machine
has stopped printing when it
encountered an additional, different
size of paper in the tray. The LCD is
telling you to load only the selected
paper size.
The paper tray was pulled out
before the machine completed
printing on both sides of the paper.
The temperature of the fuser unit
does not rise to a specified
temperature within the specified
time.
The fuser unit is too hot.
The paper is jammed in the area
shown on the LCD.
The room temperature is too low for
the machine to operate.
The belt unit is not installed
correctly.
The drum unit is not installed
correctly.
Action
 Turn off the machine and remove the DIMM.
 Confirm the DIMM meets the required
specifications. (For details, see SO-DIMM types
on page 83.)
 Re-install the DIMM correctly. Wait a few seconds,
and then turn it on again.
 If this error message appears again, replace the
DIMM with a new one. (See Installing extra
memory on page 84.)
Clean the corona wires. (See Cleaning the corona
wires on page 117.)
Close the back cover of the machine.
Make sure the paper tray contains only the size of
paper you select in either the control panel or printer
driver, then press Go.
Re-install the paper tray and press Go.
Turn the power switch off, wait a few seconds and
then turn it on again. Leave the machine for 15
minutes with the power on.
Carefully pull out the jammed paper from the area
shown in Paper jams and how to clear them
on page 141.
Increase the room temperature to allow the machine
to operate.
Re-install the belt unit. (See Belt unit on page 102.)
Re-install the drum unit. (See Drum unit on page 97.)
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