Brother Hl 5250dn User Manual
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7. Troubleshooting 83 Paper handling First, make sure that you are using paper that meets Brother recommended paper specifications. See About paper on page 5. ProblemRecommendation The printer does not feed paper.„If there is paper in the paper tray, make sure it is straight. If the paper is curled, straighten it before printing. Sometimes it is helpful to remove the paper. Turn the stack over and put it back in the paper tray. „Cut 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. The printer does not feed paper from the MP tray.„Fan the paper well and put it back in firmly. „Make sure that you have chosen the MP Tray in the Paper Source of the printer driver. The printer does not feed envelopes.„The printer can feed envelopes from the multi-purpose tray. You must set up your application to print on the size of envelopes you are using. This is usually done in the page setup or document setup menu of your software. See your application manual. A paper jam has occurred.„Clear the jammed paper. See Paper jams and how to clear them on page 84. The printer does not print. „Make sure that the cable is connected to the printer. „Make sure that you have chosen the proper printer driver. When printing on normal paper, it creases.„Change the printer driver setting in Media Type to a thin setting. When printing on Legal size paper or longer sized paper, the paper slides off the top output tray.„Pull out and lift up the output tray support flap.
7. Troubleshooting 84 Paper jams and how to clear them If a paper jam occurs, the printer will flash the Paper LED as shown below. HOT SURFACE After you have just used the printer, some internal parts of the printer will be extremely hot. When you open the front cover or back cover of the printer, DO NOT touch the shaded parts shown in the illustrations. Clear the jammed paper as follows. If the jammed paper is removed completely by following the steps below, you can install the paper tray first, and then close the front cover. The printer will resume printing automatically. If the printer does not start printing automatically, press Go. If the printer still does not start printing, check that all the remaining jammed paper has been removed from the printer. Then try printing again. Note Always remove all paper from the paper tray and straighten the stack when you add new paper. This helps prevent multiple sheets of paper from feeding through the printer at one time and prevents paper jams.
7. Troubleshooting 85 aPress the cover release button and then open the front cover. bSlowly take out the drum unit and toner cartridge assembly. The jammed paper will be pulled out with the drum unit and toner cartridge assembly. CAUTION To prevent damage to the printer caused by static electricity, DO NOT touch the electrodes shown in the illustration.
7. Troubleshooting 86 cPull the paper tray completely out of the printer. dClose the front cover. ePull the jammed paper up and out of the printer. fOpen the front cover again.
7. Troubleshooting 87 gOpen the back cover. h Pull the tabs at the left and right hand sides toward you to open the fuser cover (1). iUsing both hands, gently pull the jammed paper out of the fuser unit. 1
7. Troubleshooting 88 HOT SURFACE After you have just used the printer, some internal parts of the printer will be extremely hot. Wait for the printer to cool down before you touch the internal parts of the printer. jFully close the back cover. kPull the duplex tray completely out of the printer. lPull the the jammed paper out of the printer or the duplex tray. Put the duplex tray back in the printer.
7. Troubleshooting
89
mPush down the blue lock lever and take the toner cartridge out of the drum unit. Clear the jammed paper
if there is any inside the drum unit.
CAUTION
Handle the toner cartridge 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.
nPut the toner cartridge back into the drum unit until you hear it lock into place. If you put the cartridge in
properly, the blue lock lever will lift automatically.
7. Troubleshooting 90 oPut the drum unit and toner cartridge assembly back in the printer. pPut the paper tray firmly back in the printer. qClose the front cover. rMake sure that the Paper LED is now off and the printer is ready.
7. Troubleshooting 91 Improving the print quality If you have a print quality problem, print a test page first (see Print a test page on page 52). If the printout looks good, the problem is probably not the printer. Check the interface cable or try the printer on another PC. This section gives information on the following topics. Examples of poor print qualityRecommendation Faint„Check the printer ’s environment. Conditions such as humidity, high temperatures, and so on, may cause this print fault. See Positioning the printer on page 4. „If the whole page is too light, Toner Save Mode may be on. Turn off Toner Save Mode in the printer Properties tab of the driver. „Put in a new toner cartridge. See Replacing the toner cartridge on page 63. „Put in a new drum unit. See Replacing the drum unit on page 68. „You may clear the problem by wiping the scanner window with a soft cloth. See Cleaning the inside of the printer on page 74. Gray background„Make sure that you use paper that meets our specifications. See About paper on page 5. „Check the printer ’s environment. Conditions such as high temperatures and high humidity can increase the amount of background shading. See Positioning the printer on page 4. „Put in a new toner cartridge. See Replacing the toner cartridge on page 63. „Put in a new drum unit. See Replacing the drum unit on page 68. Ghost„Make sure that you use paper that meets our specifications. Rough-surfaced paper or thick print media may cause this problem. See About paper on page 5. „Make sure that the media type setting in the driver matches the type of paper you are using. See About paper on page 5. „Put in a new drum unit. See Replacing the drum unit on page 68. „The fuser unit may be contaminated. Call Brother Customer Service. Toner specks„Make sure that you use paper that meets our specifications. Rough-surfaced paper may cause the problem. See About paper on page 5. „The drum unit may be damaged. Put in a new drum unit. See Replacing the drum unit on page 68. „The fuser unit may be contaminated. Call Brother Customer Service. ABCDEFGH abcdefghijk ABCD abcde 01234 CDEF d efg BC b cd 23 ABCDEFGH abcdefghijk ABCD abcde 01234 ABCDEFGH abcdefghijk ABCD abcde 01234
7. Troubleshooting 92 Hollow print„Make sure that you use paper that meets our specifications. See About paper on page 5. „Choose Thick paper mode in the printer driver, or use thinner paper than what you are now using. „Check the printer ’s environment. Conditions such as high humidity can cause hollow print. See Positioning the printer on page 4. All black„Clean the primary 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 77. „The drum unit may be damaged. Put in a new drum unit. See Replacing the drum unit on page 68. „The fuser unit may be contaminated. Call Brother Customer Service. 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 problems. „Make sure that you choose the proper media type in the printer driver. „The problem may disappear by itself. Print multiple pages to clear this problem, especially if the printer has not been used for a long time. „The drum unit may be damaged. Put in a new drum unit. See Replacing the toner cartridge on page 63. Lines across the page„Clean the inside of the printer and the primary corona wire in the drum unit. See Cleaning on page 73. „The drum unit may be damaged. Put in a new drum unit. See Replacing the drum unit on page 68. White lines down the page„Make sure that a torn piece of paper is not inside the printer covering the scanner window. „Wipe the scanner window with a soft cloth. See Cleaning the inside of the printer on page 74. „The toner cartridge may be damaged. Put in a new toner cartridge. See Replacing the toner cartridge on page 63. „The drum unit may be damaged. Put in a new drum unit. See Replacing the drum unit on page 68. Examples of poor print qualityRecommendation ABCDEFGH abcdefghijk ABCD abcde 01234 ABCDEFGH abcdefghijk ABCD abcde 01234 ABCDEFGH abcdefghijk ABCD abcde 01234