B Troubleshooting and routine maintenance

Troubleshooting

If you think there is a problem with your machine, check the chart below and follow the troubleshooting tips.
Most problems can be easily resolved 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/.

If you are having difficulty with your machine

Check the chart below and follow the troubleshooting tips.
Copy quality difficulties
Difficulties
Suggestions
Vertical black line appears in copies.
Black vertical lines on copies are typically caused by dirt or correction fluid on the glass strip (DCP-7040 and DCP-7045N only), or the corona wire for printing is dirty. (See Cleaning the scanner glass and Cleaning the corona wire.)
Printing difficulties
Difficulties
Suggestions
No printout.
Check that the machine is plugged in and the power switch is turned on.
Check that the toner cartridge and drum unit are installed correctly. (See Replacing the drum unit.)
Check the interface cable connection on both the machine and your computer. (See the Quick Setup Guide.)
Check that the correct printer driver has been installed and chosen.
Check to see if the LCD is showing an error message. (See Error and maintenance messages.)
Check that machine is online:
(For Windows Vista®)
Click the Start button, Control Panel, Hardware and Sound, and then Printers. Right-click Brother DCP-XXXX Printer. Make sure that Use Printer Offline is unchecked.
(For Windows Server® 2003 (DCP-7045N only) and Windows® XP)
Click the Start button and choose Printers. Right-click Brother DCP-XXXX Printer. Make sure that Use Printer Offline is unchecked.
(For Windows® 2000)
Click the Start button and choose Settings and then Printers. Right-click Brother DCP-XXXX Printer. Make sure that Use Printer Offline is unchecked.
The machine prints unexpectedly or it prints garbage.
Pull out the paper tray and wait until the machine stops printing. Then turn off the machine’s power switch and disconnect from the power for several minutes.
Check the settings in your application to make sure it is set up to work with your machine.
The machine prints the first couple of pages correctly, then some pages have text missing.
Check the settings in your application to make sure that it is set up to work with your machine.
Your computer is not recognising the machine’s input buffer’s full signal. Make sure that you connected the interface cable correctly. (See the Quick Setup Guide.)
The headers or footers appear when the document displays on the screen but they do not show up when it is printed.
There is an unprintable area on the top and bottom of the page. Adjust the top and bottom margins in your document to allow for this.
Scanning difficulties
Difficulties
Suggestions
TWAIN errors appear while scanning.
Make sure that the Brother TWAIN driver is chosen as the primary source. In PaperPort™ 11SE, click File, Scan or Get Photo and choose the Brother TWAIN driver.
OCR does not work
Try increasing the scanning resolution.
Network scanning does not work. (DCP-7045N only)
Software difficulties
Difficulties
Suggestions
Cannot install software or print.
Run the Repair MFL-Pro Suite program on the CD-ROM. This program will repair and reinstall the software.
Cannot perform ‘2 in 1’ or ‘4 in 1’ printing.
Check that the paper size setting in the application and in the printer driver are the same.
The machine does not print from Adobe® Illustrator®.
Try to reduce the print resolution. (See Advanced tab in the Software User’s Guide on the CD-ROM.)
Paper handling difficulties
Difficulties
Suggestions
The machine does not load paper.
The LCD shows No Paper or a Paper Jam message.
If there is no paper, load a new stack of paper into the paper tray.
If there is paper in the paper tray, make sure it is straight. If the paper is curled, you should straighten it. Sometimes it is helpful to remove the paper, turn the stack over and put it back into the paper tray.
Reduce the amount of paper in the paper tray, and then try again.
If the LCD shows Paper Jam message and you still have a problem, see Paper jams.
How do I print on envelopes?
You can load envelopes from the manual feed slot. Your application must be set up to print the envelope size you are using. This is usually done in the Page Setup or Document Setup menu of your application. (See your application’s manual for more information.)
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.)
There is a paper jam.
(See Paper jams.)
Print quality difficulties
Difficulties
Suggestions
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 paper in the paper tray.
Make sure that you choose the Paper Type that suits the print media type you are using. (See Acceptable paper and other print media.)
Printed pages are smeared.
The Paper Type setting may be incorrect for the type of print media you are using, or the print media may be too thick or have a rough surface. (See Acceptable paper and other print media and Basic tab in the Software User’s Guide on the CD-ROM.)
Printouts are too light.
If this problem occurs when making copies or printing, set Toner Save mode to off in the machine menu settings. (See Toner Save.)
Set Toner Save mode to off in the Advanced tab in the printer driver. (See Advanced tab in the Software User’s Guide on the CD-ROM.)
Network difficulties (DCP-7045N only)
Difficulties
Suggestions
Cannot print over a wired Network.
If you are having Network problems see the Network User's Guide on the CD-ROM for more information.
Make sure your machine is powered on and is on-line and in Ready mode. Print the Network Configuration list to see your current Network settings. (See Network Configuration List (DCP-7045N only).) Reconnect the LAN cable to the hub to verify that the cable and network connections are good. If possible, try connecting the machine to a different port on your hub using a different cable. If the connections are good, the lower LED of the back panel of the machine will be green.
The network scanning feature does not work.
The network printing feature does not work.
(For Windows® only) The firewall setting on your PC may be rejecting the necessary network connection. Follow the instructions below to configure Windows® Firewall. If you are using other personal firewall software, see the User’s Guide for your software or contact the software manufacturer.
For Windows® XP SP2 users:
1
Click the Start button, Control Panel, Network and Internet Connections and then Windows Firewall. Make sure that Windows Firewall on the General tab is set to On.
2
Click the Advanced tab and Settings... button of the Network Connection Settings.
3
Click the Add button.
4
To add port 54925 for network scanning, enter the information below:
1. In Description of service: Enter any description, for example “Brother Scanner”.
2. In Name or IP address (for example 192.168.0.12) of the computer hosting this service on your network: Enter “Localhost”.
3. In External Port number for this service: Enter “54925”
4. In Internal Port number for this service: Enter “54925”.
5. Make sure UDP is chosen.
6. Click OK.
5
If you still have trouble with your network connection, click the Add button.
6
To add port 137 for network scanning and network printing, enter the information below:
1. In Description of service: - Enter any description, for example “Brother network scanning”
2. In Name or IP address (for example 192.168.0.12) of the computer hosting this service on your network: Enter “Localhost”.
3. In External Port number for this service: Enter “137”.
4. In Internal Port number for this service: Enter “137”.
5. Make sure UDP is chosen.
6. Click OK.
7
Make sure if the new setting is added and is checked, and then click OK.
 
For Windows Vista® users:
1
Click the Start button, Control Panel, Network and Internet, Windows Firewall and click Change settings.
2
When the User Account Control screen appears, do the following.
Users who have administrator rights: Click Continue.
For users who do not have administrator rights: Enter the administrator password and click OK.
3
Make sure that Windows Firewall on the General tab is set to On.
4
Click the Exceptions tab.
5
Click the Add port... button.
6
To add port 54925 for network scanning, enter the information below:
1. In Name: Enter any description. (for example “Brother Scanner”)
2. In Port number: Enter “54925”.
3. Make sure UDP is chosen. Then click OK.
7
Make sure that the new setting is added and is checked, and then click Apply.
8
If you still have trouble with your network connection such as network scanning or printing, check File and Printer Sharing box in the Exceptions tab and then click Apply.
Your computer cannot find your machine.
For Windows® users: The firewall setting on your PC may be rejecting the necessary network connection. For details, see the instruction above.
For Macintosh users: Re-select your machine in the Device Selector application located in Macintosh HD/Library/Printers/Brother/Utilities/DeviceSelector or from the Model pop-up menu of ControlCenter2.