Brother MFC 9010CN User Manual
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49 C C TroubleshootingC IMPORTANT For technical help, you must call the country where you bought the machine. Calls must be made from within that country. If you are having difficulty with your machineC If you think there is a problem, check the chart below and follow the troubleshooting tips. You can solve most problems 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/ . Troubleshooting and routine maintenance C Copy difficulties DifficultiesSuggestions Vertical black line appears in copies. Black vertical lines on copies are typically caused by dirt or correction fluid on the glass strip, or the corona wire is dirty. (See Cleaning the scanner on page 73 and Cleaning the corona wires on page 75.) Copies are blank. Make sure you are loading the document properly. (See Using the automatic document feeder (ADF) on page 20 or Using the scanner glass on page 21.) Printing difficulties DifficultiesSuggestions 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 properly. (See Replacing the drum units on page 93.) „ 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 on page 61.) „ Check that the machine is online: (Windows Vista ®) Click the Start button, Control Panel , Hardware and Sound , and then Printers. Right-click Brother MFC-9010CN Printer . Make sure that Use Printer Offline is unchecked. (Windows ® XP and Windows Server® 2003) Click the Start button and choose Printers and Faxes . Right-click Brother MFC-9010CN Printer . Make sure that Use Printer Offline is unchecked. (Windows ® 2000) Click the Start button and choose Settings and then Printers. Right-click Brother MFC-9010CN Printer . Make sure that Use Printer Offline is unchecked.
50 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 recognizing 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. (See Unprintable area on page 14.) The machine is not printing or has stopped printing. Press Job Cancel . As the machine cancels the job and clears it from the memory it may produce an incomplete printout. Scanning difficulties DifficultiesSuggestions 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. See Network difficulties on page 52. Software difficulties DifficultiesSuggestions 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.) Printing difficulties (continued) DifficultiesSuggestions
Troubleshooting and routine maintenance51 C Paper handling difficulties DifficultiesSuggestions 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. „ Make sure that manual feed mode is not chosen in the printer driver. „ Clean the paper pick-up roller. See Cleaning the paper pick-up rollers on page 81. „ If the LCD shows the Paper Jam message and you still have a problem, see Paper jams on page 67. The machine does not feed paper from the manual feed slot. „ Make sure that Manual is chosen in the printer driver. „ Make sure the paper or print media is loaded properly in the manual feed slot. See Loading paper in the manual feed slot on page 11. 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.) What paper can I use? You can use thin paper, plain paper, thick paper, bond paper, recycled paper, envelopes and labels that are made for laser machines. (For details, see Acceptable paper and other print media on page 15.) There is a paper jam. Clear the jammed paper. (See Paper jams on page 67.) 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 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 on page 15.) 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 on page 15 and Basic tab in the Software User’s Guide on the CD-ROM.) Printouts are too light. „If this problem occurs when making copies, turn Toner Save mode to Off in the machine menu settings. (See Toner Save on page 23.) „ 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.) „ In the Basic tab of the printer driver, click the Settings button and check the Enhance Black Printing check box.
52 Network difficulties DifficultiesSuggestions 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 the Ready mode. Print the Network Configuration list to see your current Network settings. (See Network Configuration List on page 106.) 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. (Windows ®) 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. (Windows ® XP SP2) aClick 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. bClick the Advanced tab and Settings... cClick the Add button. dTo 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. eIf you still have trouble with your network connection, click the Add button. fTo 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. gMake sure that the new setting is added and is checked, and then click OK.
Troubleshooting and routine maintenance 53 C The network scanning feature does not work. The network printing feature does not work. (continued)(Windows Vista®) aClick the Start button, Control Panel, Network and Internet, Windows Firewall and click Change settings. bWhen 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. cMake sure that Windows Firewall on the General tab is set to On. dClick the Exceptions tab. eClick the Add port... button. fTo 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. gMake sure that the new setting is added and is checked, and then click OK. hIf 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 OK. Your computer cannot find your machine.(Windows ®) The firewall setting on your PC may be rejecting the necessary network connection. (For details, see the instructions above.) (Macintosh) 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. Other DifficultiesSuggestions The machine will not turn on. Adverse conditions on the power connection (such as lightning or a power surge) may have triggered the machine’s internal safety mechanisms. Turn the machine off and unplug the power cord. Wait for ten minutes, then plug in the power cord and turn the machine on. If the problem is not solved, turn off the machine. Plug the power cord into a different known working outlet and turn on the machine. Network difficulties (continued) DifficultiesSuggestions
54 Improving the print qualityC If you have a print quality problem, print a test page first (Menu, 3, 2, 3). If the printout looks good, the problem is probably not the machine. Check the interface cable connections or try printing a different document. If the printout or test page printed from the machine has a quality problem, check the following steps first. And then, if you still have a print quality problem, check the chart below and follow the recommendation. aCheck that you use the paper that meets our specifications. (See Acceptable paper and other print media on page 15.) Note To get the best print quality, we suggest using the recommended paper. (See Recommended paper and print media on page 15.) bCheck that the drum units and toner cartridges are installed properly. Examples of poor print qualityRecommendation White lines, bands or ribbing across the page „Put in a new drum unit. (See Replacing the drum units on page 93.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Colors are light or unclear on the whole page „Make sure Toner Save mode is off in the control panel of the machine or the printer driver. „Make sure that you choose the proper media type in the printer driver or in the machines Paper Type menu setting. (See Acceptable paper and other print media on page 15 and Basic tab in the Software Users Guide on the CD-ROM.) „Shake all four toner cartridges gently. „Wipe the windows of all four LED heads with a dry lint free soft cloth. (See Cleaning the LED heads on page 74.) 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 55 C White streaks or bands down the page „Wipe the windows of all four LED heads with a dry lint free soft cloth. (See Cleaning the LED heads on page 74.) „Clean all four drum units. (See Cleaning the drum unit on page 76.) „Identify the missing color and put in a new toner cartridge. (See Replacing a Toner cartridge on page 86.) To identify the color of the toner cartridge, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Colored streaks or bands down the page „Clean all four corona wires (one for each color) inside the drum unit by sliding the green tab. (See Cleaning the corona wires on page 75.) „Make sure the corona wire cleaners are at their home positions (a). „Clean the scanner glass and scanner glass strip. (See Cleaning the scanner on page 73.) „Replace the toner cartridge that matches the color of the streak or band. (See Replacing a Toner cartridge on page 86.) To identify the color of the toner cartridge, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. „Put in a new drum unit. (See Replacing the drum units on page 93.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Vertical streaks in a light background „Wipe the windows of all four LED heads with a dry lint free soft cloth. (See Cleaning the LED heads on page 74.) 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. 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.
56 Colored lines across the page „If colored lines appear at 1.2 in. (30 mm) intervals, replace the toner cartridge that matches the color of the line. (See Replacing a Toner cartridge on page 86.) „If colored lines appear at 3.7 in. (94 mm) intervals, put in a new drum unit that matches the color of the line. (See Replacing the drum units on page 93.) White spots or hollow print „If the problem is not solved after printing a few pages, the drum unit may be stained. Clean all four drum units. (See Small spots on the printed pages in Cleaning the drum unit on page 76.) „Make sure that the media type settings in the printer driver and in the machines Paper Type menu matches the type of paper you are using. (See Acceptable paper and other print media on page 15 and Basic tab in the Software Users Guide on the CD-ROM.) „Check the machine ’s environment. Conditions such as high humidity can cause white spots or hollow print. (See Choosing a location on page 36.) Completely blank or some colors are missing „Put in a new toner cartridge. (See Replacing a Toner cartridge on page 86.) To identify the color of the toner cartridge, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. „Put in a new drum unit. (See Replacing the drum units on page 93.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Colored spots at 94 mm „If the problem is not solved after printing a few pages, the drum unit may have glue from a label stuck on the drum surface. Clean the drum unit. (See Large spots on the printed pages on page 78.) „Put in a new drum unit. (See Replacing the drum units on page 93.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Colored spots at 30 mm „Identify the color causing the problem and put in a new toner cartridge. (See Replacing a Toner cartridge on page 86.) To identify the color of the toner cartridge, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. 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. 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. 94 mm (3.7 in.) 94 mm (3.7 in.) ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. 30 mm (1.2 in.) 30 mm (1.2 in.)
Troubleshooting and routine maintenance 57 C Toner scatter or toner stain „Check the machine’s environment. Conditions such as high humidity and high temperatures may cause this print quality problem. (See Choosing a location on page 36.) „Identify the color causing the problem and put in a new toner cartridge. (See Replacing a Toner cartridge on page 86.) To identify the color of the toner cartridge, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. „If the problem continues, put in a new drum unit. (See Replacing the drum units on page 93.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. The color of your printouts is not what you expected„Make sure Toner Save mode is off in the control panel of the machine or the printer driver. „Perform the calibration. (See Calibration on page 82.) „Adjust the color by using the custom setting in the driver and by using the control panel of the machine. Colors the machine can print and colors you see on a monitor are different. The machine may not be able to reproduce the colors on your monitor. „If colors appear in the printed gray areas, make sure there is a check in the Improve Gray Color check box of the printer driver. (See Basic tab for Windows ® printer driver, Advanced tab for Macintosh printer driver or Printer Features for Macintosh BR-Script printer driver in the Software Users Guide on the CD-ROM.) „If shaded areas look dull, remove the check from the Improve Gray Color check box. „If a printed black graphic is too light, choose Enhance Black Printing mode in the printer driver. (See Settings Dialog for Windows ® printer driver, Advanced options for Windows ® BR-Script printer driver, Print Settings for Macintosh printer driver or Printer Features for Macintosh BR-Script printer driver in the Software Users Guide on the CD-ROM.) „Identify the color causing the problem and put in a new toner cartridge. (See Replacing a Toner cartridge on page 86.) To identify the color of the toner cartridge, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. „Identify the color causing the problem and put in a new drum unit. (See Replacing the drum units on page 93.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Examples of poor print qualityRecommendation ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
58 All one color „Identify the color causing the problem and put in a new drum unit. (See Replacing the drum units on page 93.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Color misregistration „Make sure that the machine is on a solid level surface. „Perform the auto color registration using the control panel (see Auto Registration on page 82) or perform the manual color registration using the control panel (see Manual Registration on page 83). „Identify the color causing the problem and put in a new drum unit. (See Replacing the drum units on page 93.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. „Put in a new belt unit. (See Replacing the belt unit on page 96.) Uneven density appears periodically across the page „Perform the calibration. (See Calibration on page 82.) „Adjust the contrast or brightness when you are in copy mode. (See Adjusting Contrast, Color and Brightness on page 29.) „Identify the color that is uneven and put in a new toner cartridge for that color. (See Replacing a Toner cartridge on page 86.) To identify the color of the toner cartridge, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. „Identify the color that is uneven and put in a new drum unit. (See Replacing the drum units on page 93.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Thin lines do not print„Make sure Toner Save mode is off in the control panel of the machine or the printer driver. „Change the print resolution. „If you use Windows ® printer driver, choose Improve pattern printing or Improve Thin Line in Settings of Basic tab. (See Settings Dialog in the Software Users Guide on the CD -ROM.) Examples of poor print qualityRecommendation ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. ab cd ef ghi j kl mnop qrst uvw xyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. ab cd ef ghi j kl mnop qrst uvw xyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. ab cd ef ghi j kl mnop qrst uvw xyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. ab cd ef ghi j kl mnop qrst uvw xyz.ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. ab cd ef ghi j kl mnop qrst uvw xyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. ab cd ef ghi j kl mnop qrst uvw xyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. ab cd ef ghi j kl mnop qrst uvw xyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. ab cd ef ghi j kl mnop qrst uvw xyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.