Brother International IntelliFax-2750 Users Manual - English - Page 112
The drum unit is a consumable item and it is necessary to replace it, periodically., DIFFICULTY
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100 C H A P T E R T H I R T E E N DIFFICULTY SUGGESTIONS Printed pages are marked at regular intervals. Example of Regular Marking Markings may disappear by themselves. Try copying multiple pages to clear this problem. Markings may occur if the fax machine has not been used for a long time. A possible cause is that the surface of the drum is scratched. You must then replace the drum unit with a new one. If the markings do not disappear, it may be that the drum was marked or damaged by excessive exposure to light. In this case, replace the drum unit with a new one. Printed pages are blurred at the center or at either edge. Blurred Page Certain environmental conditions such as humidity, high temperatures, etc. may cause this condition to occur. Make sure the fax machine is placed on a flat, horizontal surface. Remove the drum unit with the toner cartridge installed. Try rocking them from side to side. You may clear a blurred page by wiping the scanner windows with a clean soft cloth. (See "Regular Maintenance", "Cleaning the Printer" and "Cleaning the Drum Unit" on pages 109-111.) If a blurred page occurs after cleaning and the display shows CHANGE DRUM SOON, replace the drum unit with a new one. Ghost images appear on the printed page. Ghost Images Adjust the print conditions by setting the Print Density function, page 37. Make sure that you use paper that meets the specifications. Rough surfaces or thick media can cause a ghost image. The drum unit is a consumable item and it is necessary to replace it periodically.