Brother DCP 7030 User Manual

Troubleshooting and routine maintenance
45
B
Which paper can I use? You can use plain paper, recycled paper, transparency and labels that are made 
for laser machines. (For details, see Acceptable paper and other print media 
on page 11.)
There is a paper jam. (See Paper jams on page 55.)
Print quality difficulties
DifficultiesSuggestions
Printed pages are curled.„Low quality thin or thick paper or not printing on the recommended side of the 
paper could cause this problem. Try turning over the stack of...

46
Improving the print qualityB
Examples of poor print 
qualityRecommendation
White lines across the page
 
„Make sure that you use paper that meets our specifications. A rough 
surfaced paper or thick print media can cause the problem. (See 
Acceptable paper and other print media on page 11.)
„Make sure that you choose the appropriate media type in the printer 
driver or in the machine’s Paper Type menu setting. (See Acceptable 
paper and other print media on page 11 and Basic tab in the Software...

Troubleshooting and routine maintenance
47
B
 
Page skewed„Make sure that the paper or other print media is loaded correctly in 
the paper tray and that the guides are not too tight or too loose 
against the paper stack.
„Set the paper guides correctly. (See Loading paper in the paper tray 
on page 6.)
„The paper tray may be too full.
„If you are using the manual feed slot, see Loading paper in the 
manual feed slot on page 7.
„Check the paper type and quality. (See Acceptable paper and other 
print...

48
 
Curled or wavy„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.
 
White Spots on black text 
and graphics at 75 mm 
intervals
 
Black Spots at 75 mm 
intervals„Make ten copies of a blank, white sheet of paper. (See Making 
multiple copies...

Troubleshooting and routine maintenance
49
B
 
Faint„Check the machine’s environment. Conditions such as humidity, high 
temperatures, and so on, may cause this print fault. (See Choosing a 
location on page 34.)
„If the whole page is too light, Toner Save mode may be on. Turn off 
Toner Save mode in the machine menu settings or Toner Save 
mode in the printer Properties of the driver. (See Toner Save 
on page 18 or Advanced tab in the Software User’s Guide on the CD-
ROM.)
„Clean the scanner window and...

50
 
Black toner marks across the 
page„Make sure that you use paper that meets our specifications. (See 
Acceptable paper and other print media on page 11.)
„If you use label sheets for laser machines, the glue from the sheets 
may sometimes stick to the OPC drum surface. Clean the drum unit. 
(See Cleaning the drum unit on page 64.)
„Do not use paper that has clips or staples because they will scratch 
the surface of the drum.
„If the unpacked drum unit is in direct sunlight or room light, the unit...

Troubleshooting and routine maintenance
51
B
 
Curled„Choose Reduce Paper Curl mode in the printer driver when you do 
not use our recommended paper. (See Device Options (For 
Windows
®) or Print Settings (For Macintosh®) in the Software Users 
Guide on the CD-ROM.)
„Turn the paper over in the paper tray, and print again. (Excluding 
Letterhead paper)
„Lift up the output tray support flap.
 
„Replace the paper in the paper tray with paper from a freshly opened 
ream.
„Make sure you are using paper that...

52
Error and maintenance messagesB
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 routine maintenance by yourself. If you need more help, the 
Brother Solutions Center offers the latest FAQs and troubleshooting tips.
Visit us at...

Troubleshooting and routine maintenance
53
B
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.
Init Unable XXThe machine has a mechanical 
problem.Disconnect the machine from the power for 
several minutes and then reconnect it.
Jam RearThe paper is jammed in the back 
of the machine.(See Paper...

54
Document jams 
(DCP-7040 only)B
If the document is jammed, follow the steps 
below.
Note
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
B
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
B
aTake out any paper from the ADF that is...