Brother Hl 4150cdn User Manual

Routine Maintenance 135
5
hSlide the belt unit back into the machine. Make sure the belt unit is level and fits firmly into place. 
iInstall orange packing materials to the drum unit as follows: Install one orange packing material (1) to secure the toner cartridges to the drum unit on the left and 
right sides respectively.
 Install one orange packing material (2) to the drums side surface on the left side only, as viewed from 
the front.
 Install one orange packing material (3) to the drums side...

Routine Maintenance 136
5
jPut a piece of paper (A4 or letter) on the belt unit to prevent damage to the belt unit. 
kMake sure the green lock lever (1) is in the release position as shown in the illustration. 
lMatch the guide ends (2) of the drum unit to the c marks (1) on both sides of the machine, then gently 
slide the drum unit into the machine until it stops at the green lock lever.
 
1
1
2
 

Routine Maintenance 137
5
mTurn the green lock lever (1) clockwise to the lock position. 
nPush the drum unit in until it stops. 
oClose the front cover of the machine.
pPut the Styrofoam piece (1) into the carton. Then put the waste toner box in the Styrofoam piece. 
1
1
 

Routine Maintenance 138
5
qWrap the machine with a plastic bag. Put the machine on the Styrofoam piece (1) and the Styrofoam 
piece (2) on the top of the machine. Match the front side of the machine to the “FRONT” mark on each 
Styrofoam piece.
 
rPut the power cord into the Styrofoam piece (2). 
sClose the carton and tape it shut.
FRONT
FRONT
2
1
2
1
 

139
6
6
You can correct most problems by yourself. If you need additional help, the Brother Solutions Center offers 
the latest FAQs and troubleshooting tips. Visit us at http://solutions.brother.com/
.
(HL-4150CDN) In USA:  Please go to the Brother Solutions Center at http://solutions.brother.com/
 and click 
Manuals on your model page to download the other manuals.
Identifying your problem6
First, check the following:6
 The AC power cord is connected properly and the machine is turned on.
 All of the...

Troubleshooting 140
6
LCD messages6
As with any sophisticated office product, errors may occur and consumable items may need to be replaced. 
If this happens, your machine automatically stops printing, diagnoses the problem, and displays the resulting 
message on the LCD to alert you. The most common error and maintenance messages are shown below.
You can clear most errors and routine maintenance messages by yourself, referring to the following tables. 
If you need more help, the Brother Solutions Center...

Troubleshooting 141
6
DIMM ErrorThe DIMM is not installed 
correctly.
 The DIMM is broken.
 The DIMM does not meet the 
required specifications. 
Turn off the machine and remove the DIMM.
 Confirm the DIMM meets the required 
specifications. (For details, see  SO-DIMM types 
on page 85.)
 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 86.)
Drum Error The...

Troubleshooting 142
6
No PaperThe machine is out of paper or 
paper is not correctly loaded in the 
paper tray. Put the paper in the indicated paper tray. If the 
problem is not resolved, the paper pick-up roller may 
need to be cleaned.  Clean the paper pick-up roller. 
(See 
Cleaning the paper pick-up roller  on page 130.)
No Toner The toner cartridge for the color 
indicated on the second line of LCD 
is not installed correctly. Pull out the drum unit. Take out the toner cartridge for 
the color...

Troubleshooting 143
6
Maintenance messages6
Tray 2 ErrorThe optional lower tray is not 
installed correctly. Re-install the optional lower tray.
Unusable Device An incompatible or defective device 
has been connected to the USB 
direct interface. Remove the USB flash memory drive from the USB 
Direct Interface. 
For the maintenance messages, see 
Routine Maintenance on page 88.
Call service messages
Call service messageAction
Print Unable ## Turn off the machine. Wait a few seconds, then turn it on...

Troubleshooting 144
6
Paper handling6
First, make sure that you are using paper that meets Brother recommended paper specifications. (See Type 
and size of paper  on page 2.)
ProblemRecommendation
The machine does not feed 
paper. 
If there is paper in the paper tray, make sure it is straight. If the paper is curled, 
straighten it before printing. Sometimes it is helpful to remove the paper. Turn the 
stack over and put it back in the paper tray. If the paper continues to curl, replace 
the paper.
...