Brother DCP 9045CDN User Manual

							Troubleshooting and routine maintenance
73
C
Missing image at edge„Make sure that the toner cartridges are installed properly. (See 
Replacing a toner cartridge on page 115.)
„Make sure that the drum unit is installed properly. (See Replacing the 
drum unit on page 120.)
„One of the toner cartridges may be damaged. Identify the missing 
colour and put in a new toner cartridge for the colour with the white 
line. (See Replacing a toner cartridge on page 115.)
„The drum unit may be damaged. Put in a new drum unit. (See 
Replacing the drum unit on page 120.)
Missing image at thin line
„If you are using a Windows
® printer driver, open Properties window, 
and then click Printing Preferences. Choose the Advanced tab, 
Device Options, Print Setting, and then check the Improve pattern 
printing or Improve Thin Line boxes.
Wrinkle
 
„Change to the recommended type of paper. (See Recommended 
paper on page 10.) 
„Check the paper type and quality. (See Acceptable paper and other 
media on page 10.)
„Make sure that the back cover is closed properly.
„Make sure that paper is loaded properly.
„Make sure that you choose the correct media type in the printer driver 
or in the machine
’s Paper Type menu setting. (See Acceptable paper 
and other media on page 10 and Basic tab in the Software User’s 
Guide on the CD-ROM.)
„Turn over the stack of paper in the tray or rotate the paper 180° in the 
input tray.
„Make sure that the drum unit is installed properly. (See Replacing the 
drum unit on page 120.)
„Make sure that the fuser unit is installed properly.
„If the problem continues, call your Brother dealer.
Insufficient gloss„Change to the recommended type of paper. (See Recommended 
paper on page 10.) 
Examples of poor print 
qualityRecommendation
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
 
						

							74
Offset image
 
„Check the machine’s environment. Conditions such as high 
temperatures and humidity can cause this problem. (See Choosing a 
location on page 48.)
„Make sure that you use paper that meets our specifications. (See 
Acceptable paper and other media on page 10.) 
„Make sure that you choose the correct media type in the printer driver 
or in the machine
’s Paper Type menu setting. (See Acceptable paper 
and other media on page 10 and Basic tab in the Software User’s 
Guide on the CD-ROM.)
„Change to the recommended type of paper. (See Recommended 
paper on page 10.) 
„The drum unit may be damaged. Put in a new drum unit. (See 
Replacing the drum unit on page 120.)
Poor fixing
 
„Make sure that you use paper that meets our specifications. (See 
Acceptable paper and other media on page 10.) 
„Make sure that you choose the correct media type in the printer driver 
or in the machine
’s Paper Type menu setting. (See Acceptable paper 
and other media on page 10 and Basic tab in the Software User’s 
Guide on the CD-ROM.)
„Make sure that the release lever of the fuser unit is in the closed 
position.
„If the problem continues, call your Brother dealer.
Poor fixing when printed on 
thick paper„Choose Thick paper mode in the printer driver or in the machine
’s 
Paper Type menu setting. (See Paper type on page 20 and Basic tab 
in the Software User’s Guide on the CD-ROM.)
„Make sure that you use paper that meets our specifications. (See 
Acceptable paper and other media on page 10.) 
Examples of poor print 
qualityRecommendation
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
 
						

							Troubleshooting and routine maintenance
75
C
Curled or wave
 
„Make sure that you choose the correct media type in the printer driver 
or in the machine
’s Paper Type menu setting. (See Acceptable paper 
and other media on page 10 and Basic tab in the Software User’s 
Guide on the CD-ROM.)
„Check the paper type and quality. High temperatures and high 
humidity will cause paper to curl.
„If you do not use the machine often, the paper may have been in the 
paper tray too long. Turn over the stack of paper in the paper tray. 
Also, fan the paper stack and then rotate the paper 180° in the paper 
tray.
„Follow these steps:
aOpen the back cover.
bPush the grey lever to the right as shown below. 
cClose the back cover and resend the print job.
Note
When you have finished printing, open the back cover and reset the 
lever back to the original position.
 
Examples of poor print 
qualityRecommendation
 
						

							76
Envelope creases
 aOpen the back cover.
bPull down the two grey levers, one on the left-hand side and one on 
the right-hand side to the envelope position, as shown in the 
illustration below.
 
cClose the back cover and re-send the print job.
Note
When you have finished printing, open the back cover and reset the 
two grey levers back to their original position.
 
Examples of poor print 
qualityRecommendation
ABCDEFG
EFGHIJKLMN
 
						

							Troubleshooting and routine maintenance
77
C
White lines or ribbing down the 
page on duplex print
 
Note
Position B is only for duplex 
printing with recycled paper 
when the temperature and 
humidity are low.
 
„Choose Thin Paper mode in the printer driver and re-send the print 
job.
If the problem is not solved after printing a few pages, follow these 
steps:
aOpen the back cover.
bPull down the two grey levers, one on the left-hand side and one 
on the right-hand side, to position B as shown in the illustration 
below.
 
cClose the back cover.
dChoose Plain Paper mode in the printer driver and re-send the 
print job.
eIf the problem is not solved after printing a few pages, choose 
Thin Paper mode in the printer driver and re-send the print job.
Note
When you have finished printing, open the back cover and reset the 
two grey levers back to the original position.
 
„Use thicker paper than you are now using.
Examples of poor print 
qualityRecommendation
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
 
						

							78
Toner scatter or toner stain on 
the edge of duplex pages
 
CAUTION 
We recommend that you place the drum unit and toner cartridges on a 
clean, flat surface with a piece of disposable paper underneath them in 
case you accidentally spill or scatter toner.
  DO NOT touch the surface of the photosensitive drum.
 
Take all the toner cartridges out of the drum unit and turn the drum 
unit over. Wipe the toner on the edge of drum unit with a dry lint free 
soft cloth as shown in the illustration.
 
Examples of poor print 
qualityRecommendation
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
 
						

							Troubleshooting and routine maintenance
79
C
Error and maintenance messagesC
As with any sophisticated office product, error and maintenance messages may be displayed. The 
most common error and maintenance messages are shown below.
Error MessageCauseAction
Access ErrorThe device is removed from the 
USB direct interface while the 
data is processing.Press Stop/Exit. Reinsert the device and try to 
print with direct print or PictBridge.
CalibrateCalibration failed. Press Mono Start or Colour Start and try 
again.
Do one of the following:
„Turn off the machine’s power switch. Wait 
a few seconds, then turn it on again.
„Put in a new drum unit. (See Replacing the 
drum unit on page 120.)
„Put in a new belt unit. (See Replacing the 
belt unit on page 127.)
„Put in a new waste toner box. (See 
Replacing the waste toner box 
on page 132.)
„If the problem continues, call your Brother 
dealer.
Cartridge Error
Put the Black (K)
Toner Cartridge 
back in.
1
1The toner cartridge 
colour with the 
problem is shown in 
the message.
The toner cartridge is not installed 
properly.Pull out the drum unit, take out the toner 
cartridge that is indicated on the LCD, and put 
it back into the drum unit again.
Change Parts
Belt UnitIt is time to replace the belt unit. Replace the belt unit. (See Replacing the belt 
unit on page 127.)
Change Parts
DrumThe drum unit is near the end of 
its life.Use the drum unit until you have a print quality 
problem; then replace the drum unit with a new 
one.
(See Replacing the drum unit on page 120.)
The drum unit counter was not 
reset when a new drum was 
installed.Press Menu, 6, 6, and then a or b to choose 
Drum. Press OK and press 1 to reset the drum 
unit counter.
Change Parts
Fuser UnitIt is time to replace the fuser unit. Call your Brother dealer to purchase the fuser 
unit.
Change Parts
Laser UnitIt is time to replace the laser unit. Call your Brother dealer to purchase the laser 
unit.
 
						

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Change Parts
PF kit MPIt is time to replace the paper 
feeding kit for the MP tray.Call your Brother dealer to purchase the 
PF Kit MP.
Change Parts
PF kit 1It is time to replace the paper 
feeding kit for Tray 1.Call your Brother dealer Service to purchase 
the PF Kit 1.
Change Parts
PF kit 2It is time to replace the paper 
feeding kit for Tray 2.Call your Brother dealer Service to purchase 
the PF Kit 2.
Change Parts
Waste Toner BoxThe waste toner box is almost full. Be ready to replace the waste toner box. (See 
Replacing the waste toner box on page 132.)
Check Paper Size
Reload correct 
paper.The paper in the tray is not the 
correct size.Load the correct size of paper in the tray and 
set the “Paper Size” (Menu, 1,2) and “Tray 
Use”(Menu, 1,6). (See Paper size 
on page 20,Tray use in copy mode 
on page 21,Tray use in print mode 
on page 21.) 
Cooling Down
Wait for a whileThe temperature of the drum unit 
or toner cartridge is too hot. The 
machine will pause its current 
print job and go into cooling down 
mode. During the cooling down 
mode, you will hear the cooling 
fan running while the LCD shows 
Cooling Down, and 
Wait for a while.Make sure that you can hear the fan in the 
machine spinning and that the exhaust outlet 
isnt blocked.
If the fan is spinning, remove any obstacles 
that surround the exhaust outlet, and then 
leave the machine turned on but do not use it 
for several minutes.
If the fan is not spinning follow the suggestions 
below.
Turn off the machines power switch and then 
turn it on again. If the error message continues 
leave the machine for several minutes and 
then try it again.
Cover is Open   
Close the Front 
Cover.The front cover is not closed 
completely.Close the front cover of the machine.
Cover is Open   
Close the Back 
Cover.The back cover is not closed 
completely.Close the back cover of the machine.
Document JamThe document was not inserted 
or fed properly, or the document 
scanned from the ADF was too 
long.See Document jams on page 84 or Using the 
ADF (automatic document feeder) 
on page 18.
Drum ErrorThe corona wires on the drum 
unit need to be cleaned.Clean the four corona wires on the drum unit. 
(See Cleaning the corona wires on page 102.)
EL ErrorThe machine has a mechanical 
problem.Open the front cover and close it again.
Fuser ErrorThe temperature of fuser unit 
does not rise at a specified 
temperature within specified time.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.
The fuser unit is too hot.
Error MessageCauseAction
 
						

							Troubleshooting and routine maintenance
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Init Unable XXThe machine has a mechanical 
problem.Turn off the machine’s power switch and then 
turn it on again. If the error message continues 
leave the machine for several minutes and 
then try to print, copy or scan again.
Jam DuplexThe paper is jammed in the 
duplex unit.(See Paper jams on page 85.)
Jam RearThe paper is jammed in the back 
of the machine.(See Paper jams on page 85.)
Jam InsideThe paper is jammed inside the 
machine.(See Paper jams on page 85.)
JamMPTrayThe paper is jammed in the MP 
tray of the machine.(See Paper jams on page 85.)
JamTray1
JamTray2The paper is jammed in the paper 
tray of the machine.(See Paper jams on page 85.)
Low TemperatureThe temperature of the machine 
is too cold.Increase room temperature to allow the 
machine to operate.
No Belt UnitThe belt unit is not installed. Install the belt unit. (See Replacing the belt 
unit on page 127.)
No Drum UnitThe  drum unit is  not installed. Install the drum unit. (See Replacing the drum 
unit on page 120.)
No PaperThe machine is out of paper or 
paper is not properly loaded in the 
paper tray.Do one of the following:
„Refill the paper in the paper tray or MP 
tray.
„Remove the paper and load it again.
No TrayThe paper tray is not completely 
closed.Close the paper tray properly.
No Waste TonerThe waste toner box is not 
installed.Install the waste toner box. (See Replacing the 
waste toner box on page 132.)
Out of MemoryThe machine’s memory is full.Copy operation in progress
Do one of the following:
„Press Mono Start or Colour Start to copy 
the scanned pages.
„Press Stop/Exit and wait until the other 
operations in progress finish, and then try 
again.
Print operation in process
„Reduce print resolution. (See Advanced 
tab in the Software User’s Guide on the 
CD-ROM.)
„Clear the data from the memory by 
pressing Job Cancel.
Error MessageCauseAction
 
						

							82
Print Unable XXThe machine has a mechanical 
problem.Turn off the machine’s power switch and then 
turn it on again. If the error message continues 
leave the machine for several minutes and 
then try to print, copy or scan again.
Protected DeviceThe protect switch of the USB 
flash memory drive is on.Turn off the protect switch of the USB flash 
memory drive.
RegistrationRegistration failed. Press Mono Start or Colour Start and try it 
again.
Do one of the following:
„Try Manual Registration, Menu, 3, 8. (See  
Manual Registration in the Software User’s 
Guide on the CD-ROM.)
„Put in a new belt unit. (See Replacing the 
belt unit on page 127.)
„Put in a new drum unit. (See Replacing the 
drum unit on page 120.)
„Replace the empty toner cartridge with a 
new one.
(See Replacing a toner cartridge 
on page 115.)
„Turn off the machine’s power switch.
Wait a few seconds, then turn it on again.
„If the problem continues, call your Brother 
dealler.
Rename the FileThere is already a file on the USB 
flash memory drive with the same 
name as the file you are trying to 
save.Change the file name of the file on the USB 
flash memory drive or the file you are trying to 
save.
Scan Unable XXThe machine has a mechanical 
problem.Turn off the machines power switch and then 
turn it on again. If the error message continues 
leave the machine for several minutes before 
you try it again.
Document is too long for duplex 
scanning.Press Stop/Exit. Use a suitable size of paper 
for duplex scanning. (See Scan on page 164.)
Scanner LockedThe scanner lock is locked. Open the document cover, and then release 
the scanner lock lever.
Press Stop/Exit.
Error MessageCauseAction