Brother Hl 3040cn User Manual
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Troubleshooting 151 6 Jam Inside (Paper jam inside the printer)6 Jam Inside If a paper jam occurs inside the printer, follow these steps: aTurn off the printers power switch and unplug the AC power cord. bFully open the top cover by lifting up on the handle (1). CAUTION After you have just used the printer, some internal parts will be extremely hot. Wait at least 10 minutes for the printer to cool down before continuing to the next step. 1
Troubleshooting
152
6
cTake out all four drum unit and toner cartridge assemblies.
IMPORTANT
We recommend that you place each drum unit and toner cartridge assembly on a clean, flat surface with
a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner.
To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the
illustration.
Handle the toner cartridges carefully. If toner scatters on your hands or clothes, wipe or wash it off with
cold water at once.
To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.
Troubleshooting 153 6 dPull out the jammed paper slowly. eSlide each drum unit and toner cartridge assembly into the printer. Make sure that you match the toner cartridge color to the same color label on the printer for all four drum unit and toner cartridge assemblies. fClose the top cover of the printer. gPlug the printer back in, and then turn on the power switch. C - Cyan M - MagentaY - Yellow K - Black C M Y K
Troubleshooting 154 6 Improving the print quality6 If you have a print quality problem, print a test page first (see Machine Info. on page 83). If the printout looks good, the problem is probably not the printer. Check the interface cable or try the printer on another computer. If the printout have 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 About paper on page 1.) Note To get the best print quality, we suggest using the recommended paper. (See About paper on page 1.) 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 113.) 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 or the printer driver. Make sure that the media type setting in the driver matches the type of paper you are using. (See About paper on page 1.) 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 head on page 130.) 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 155 6 White streaks or bands down the page Wipe the windows of LED head with a dry lint free soft cloth. (See Cleaning the LED head on page 130.) Clean the drum unit. (See Large spots on the printed pages in Cleaning the drum unit on page 134.) Identify the missing color and put in a new toner cartridge. (See Replacing the toner cartridges on page 105.) 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 131.) Make sure the corona wire cleaners are at their home positions (a). Replace the toner cartridge that matches the color of the streak or band. (See Replacing the toner cartridges on page 105.) 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 113.) 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 LED head with a dry lint free soft cloth. (See Cleaning the LED head on page 130.) 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. ABCDEFGHIJKLMNOPQR STUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Troubleshooting 156 6 Colored lines across the page Replace the toner cartridge that matches the color of the line. (See Replacing the toner cartridges on page 105.) 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 113.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. 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 134.) Make sure that the media type setting in the driver matches the type of paper you are using. (See About paper on page 1.) Check the printer’s environment. Conditions such as high humidity can cause white spots or hollow print. (See To use the printer safely on page ii.) Completely blank or some colors are missing Put in a new toner cartridge. (See Replacing the toner cartridges on page 105.) 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 113.) 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 94mm 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 in Cleaning the drum unit on page 134.) Put in a new drum unit. (See Replacing the drum units on page 113.) 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.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.)
Troubleshooting 157 6 Colored spots at 30mm Identify the color causing the problem and put in a new toner cartridge. (See Replacing the toner cartridges on page 105.) To identify the color of the toner cartridge, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Toner scatter or toner stain Check the printer’s environment. Conditions such as high humidity and high temperatures may cause this print quality problem. (See To use the printer safely on page ii.) Identify the color causing the problem and put in a new toner cartridge. (See Replacing the toner cartridges on page 105.) 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 113.) 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. 30 mm (1.2 in.) 30 mm (1.2 in.) ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Troubleshooting 158 6 The color of your printouts is not what you ex pectedMake sure toner save mode is off in the control panel or the printer driver. Perform the calibration. (See Calibration on page 96.) Adjust the color by using the custom setting in the driver and by using the control panel. Colors the printer can print and colors you see on a monitor are different. The printer may not be able to reproduce the colors on your monitor. (See Color Correction on page 90.) 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 Improve Gray Color in Settings Dialog on page 38 (For Windows ® printer driver), Advanced options on page 50 (For Windows ® BR-Script printer driver) or Print Settings on page 59 (For Macintosh printer driver). If shaded areas look dull, remove the check from the Improve Gray Color check box of the printer driver. If a printed black graphic is too light, choose Enhance Black Printing mode in the printer driver. See Enhance Black Printing in Settings Dialog on page 38 (For Windows ® printer driver), Advanced options on page 50 (For Windows ® BR-Script printer driver) or Print Settings on page 59 (For Macintosh printer driver). Identify the color causing the problem and put in a new toner cartridge. (See Replacing the toner cartridges on page 105.) 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 113.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. All one color Put in a new drum unit. (See Replacing the drum units on page 113.) 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
Troubleshooting 159 6 Color misregistration Make sure that the printer is on a solid level surface. Perform the auto color registration using the control panel (see Auto Registration on page 97) or perform the manual color registration using the control panel (see Manual Registration on page 98). Identify the color causing the problem and put in a new drum unit. (See Replacing the drum units on page 113.) 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 118.) Uneven density appears periodically across the page Perform the calibration. (See Calibration on page 96.) Identify the color that is uneven and put in a new toner cartridge for that color. (See Replacing the toner cartridges on page 105.) 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 113.) To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Missing image at thin lineMake sure toner save mode is off in the control panel or the printer driver. Change the print resolution. If you use Windows printer driver, choose Improve pattern printing or Improve Thin Line in Print Setting of Basic tab. (See Settings Dialog on page 38.) Wrinkle Change to the recommended type of paper. Make sure that the back cover is closed properly. Make sure that two gray levers inside the back cover are in the up position. Make sure that the media type setting in the driver matches the type of paper you are using. (See About paper on page 1.) Offset image Make sure that the media type setting in the driver matches the type of paper you are using. (See About paper on page 1.) Make sure that two gray levers inside the back cover are in the up position. Check the printer’s environment. Conditions such as dry and low temperatures may cause this print quality problem. (See To use the printer safely on page ii.) Identify the color causing the problem and put in a new drum unit. (See Replacing the drum units on page 113.) 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. 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. 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.
Troubleshooting 160 6 Poor fix ing Make sure that the media type setting in the driver matches the type of paper you are using. (See About paper on page 1.) Make sure that two gray levers inside the back cover are in the up position. Choose Improve Toner Fixing mode in the printer driver. See Improve Print Output in Improve Print Output on page 44 (For Windows ® printer driver), Advanced options on page 50 (For Windows ® BR-Script printer driver) or Print Settings on page 59 (For Macintosh printer driver). If this selection does not provide enough improvement, select Thicker paper in Media type settings. Curled or wavy Choose Reduce Paper Curl mode in the printer driver when you do not use our recommended paper. See Improve Print Output in Improve Print Output on page 44 (For Windows ® printer driver), Advanced options on page 50 (For Windows ® BR-Script printer driver) or Print Settings on page 59 (For Macintosh printer driver). If you do not use the printer 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. Store the paper where it will not be ex posed to high temperatures and high humidity. Uneven density or faded Fully open the top cover and then close it again. Envelope creases Make sure that the envelope levers inside the back cover is pulled down when you print the envelope. 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. ABCDEFG EFGHIJKLMN