Brother International MFC 9650 Owners Manual - Page 152
Sixteen, Difficulty, Suggestions, Change Drum, Change Drum Soon, Change, Drum Soon
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142 C H A P T E R S I X T E E N DIFFICULTY SUGGESTIONS Printed pages contain white You may fix this by wiping the scanner windows with a stripes. clean soft cloth. (See "Regular Maintenance" and "Cleaning the Drum Unit" in this chapter.) If you still see white stripes or faint images and the display shows CHANGE DRUM SOON, replace the drum unit with a new one. Check the White Stripes or machine's environment. Conditions such as humidity, high Faint lmages temperatures, etc. may cause this print defect to occur. Printed pages are stained Clean the machine's interior and the primary corona wire of with toner or have vertical drum unit. See "Regular Maintenance" and "Cleaning the stripes. Drum Unit" in this chapter. Make sure that the tab of the corona wire is at the home position. If after cleaning, you still see dark stripes or toner stains and the display shows CHANGE DRUM SOON, replace the drum unit with a Dark Stripes or Toner Stains new one. Printed pages have white spots in black text and graphic areas. White Spots Make sure that you use paper that meets the specifications. Rough surface or thick media can cause the problem. If you still see white spots and the display shows CHANGE DRUM SOON, replace the drum unit with a new one. Check the machine's environment; conditions such as high humidity may cause this situation to occur. Toner scatters and stains the printed page. Scattering Toner Adjust the print conditions by setting the Print Density function. Clean the machine's interior. See "Regular Maintenance" and "Cleaning the Drum Unit" in this chapter. Make sure that you use paper that meets specifications. See chap. 13. If you still have scattered toner and the display shows CHANGE DRUM SOON, replace the drum unit with a new one. Check the machine's environment; high temperature and high humidity conditions may cause this condition to occur. The whole page is printed black. Black Page Clean the machine's interior and the primary corona wire of the drum unit. Also, do not use heat-sensitive paper as it will cause this problem. After cleaning, if the printed pages are still black or the display shows CHANGE DRUM SOON, replace the drum unit with a new one. The drum unit may be damaged. Nothing is printed on the page. White page Make sure that the toner cartridge is not empty. Wipe the electric terminals referring to "Regular Maintenance" and "Cleaning the Drum Unit" in this chapter. Make sure that a torn piece of paper does not remain on the scanner window. Printed pages are marked Markings may disappear by themselves. Try copying at regular intervals. multiple pages to clear this problem. Markings may occur if the machine has not been used for a long time. A possible cause is that the surface of the drum is marked or damaged by excessive exposure to light. In this case, replace Example of Regular Marking the drum unit with a new one.