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...

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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.)...

Troubleshooting and routine maintenance
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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...

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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
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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...

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....

Troubleshooting and routine maintenance
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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...

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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...

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...

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,...