Brother DCP 8085DN User Manual

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White Spots on black text 
and graphics at 3.7 in. 
(94 mm) intervals
 
Black Spots at 3.7 in. 
(94 mm) intervals„Make ten copies of a blank, white sheet of paper. (See Making 
multiple copies on page 32.) If the problem is not solved, the drum 
unit may have glue from a label stuck on the OPC drum surface. 
Clean the drum unit. (See Cleaning the drum unit on page 98.)
„The drum unit may be damaged. Put in a new drum. (See Replacing 
the drum unit on page 103.)
 
Faint„Check the machine’s...

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Toner specks„Make sure that you use paper that meets our specifications. Rough-
surfaced paper may cause the problem. (See Acceptable paper and 
other print media on page 14.)
„Clean the corona wire and the drum unit. (See Cleaning the corona 
wire on page 96 and Cleaning the drum unit on page 98.)
„The drum unit may be damaged. Put in a new drum unit. (See 
Replacing the drum unit on page 103.)
„The fuser unit may be contaminated. Call Brother Customer...

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Black lines down the page
Printed pages have toner 
stains down the page„Clean the corona wire inside the drum unit by sliding the blue tab. Be 
sure to return the blue tab to the home position (a). (See Cleaning the 
corona wire on page 96.)
„The toner cartridge may be damaged. Put in a new toner cartridge. 
(See Replacing a toner cartridge on page 101.)
„The drum unit may be damaged. Put in a new drum unit. (See 
Replacing the drum unit on page 103.)
„The fuser unit may be smudged. Call Brother...

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Error and maintenance messagesC
As with any sophisticated office product, errors may occur and consumable items may need to be 
replaced. If this happens, your machine identifies the error or required routine maintenance and 
shows the appropriate message. The most common error and maintenance messages are shown 
below.
You can correct most errors and perform routine maintenance by yourself. If you need more help, 
the Brother Solutions Center offers the...

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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.
Jam DuplexThe paper is jammed in the 
duplex tray.(See Paper jams on page 86.)
Jam RearThe paper is jammed in the back 
of the machine.(See Paper jams on page 86.)
Jam InsideThe paper is jammed inside the 
machine.(See Paper jams on page 86.)...

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Replace Parts
DrumThe drum unit is the end of its life. Replace  the drum unit.
(See Replacing the drum unit on page 103.)
The drum unit counter was not 
reset when a new drum was 
installed.1 Open the front cover, and then press 
Clear/Back.
2 Press 1 to reset.
Replace Parts
Fuser UnitIt is time to replace the fuser unit. Call Brother Customer Service to replace the 
fuser unit.
1-877-BROTHER (1-877-276-8437) (in USA)
1-877-BROTHER (in Canada)
Replace Parts...

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Scanner LockedThe  scanner lock is  locked. Open the document cover, and then release 
the scanner lock lever.
 
Press Stop/Exit.
Toner LowIf the LCD shows Toner Low, 
you can still print; however, the 
machine is telling you that the 
toner cartridge is near the end of 
its life.Order a new toner cartridge now.
Too Many FilesThere are too many files stored 
on the USB Flash memory drive.Reduce the number of files stored on the 
USB Flash memory drive.
Too Many TraysMore than one optional tray is...

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Document jamsC
If the document is jammed, follow the steps 
below.
IMPORTANT
After removing a jammed document, 
check that no paper scraps are left in the 
machine that could cause another jam.
 
Document is jammed in the top of the 
ADF unit
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aTake out any paper from the ADF that is 
not jammed.
bOpen the ADF cover.
cPull the jammed document out to the 
left.
 
dClose the ADF cover.
ePress Stop/Exit.
Document is jammed under the 
document cover
C
aTake out...

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Document is jammed in the duplex 
slot
C
aTake out any paper from the ADF that is 
not jammed.
bPull the jammed document out to the 
right.
 
cPress Stop/Exit.
Paper jamsC
To clear paper jams, please follow the steps 
in this section.
IMPORTANT
Please confirm that you have installed 
both a toner cartridge and a drum unit in 
the machine. If you have not installed a 
drum unit or have installed the drum unit 
improperly, then this may cause a paper 
jam in your Brother machine.
 
Note
If the error...

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IMPORTANT
To prevent damage to the machine 
caused by static electricity, DO NOT touch 
the electrodes shown in the illustration.
 
Note
The LCD names for the paper trays are as 
follows:
• Standard paper tray: Tray 1
• Optional lower tray: Tray 2
• Multi-purpose tray: MP Tray
 
 
Paper is jammed in the MP trayC
If the LCD shows Jam MP Tray, follow 
these steps:
aRemove the paper from the MP tray.
bRemove any jammed paper from in and 
around the MP tray....