Brother International IntelliFax-3550 Users Manual - English - Page 130
shows CHANGE DRUM, replace the drum unit with a new
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3550-US-5.0 REGULAR MAINTENANCE AND TROUBLESHOOTING Question Printed pages are blurred at the center or at either edge. Blurred Page Recommendation Certain environmental conditions such as humidity, high temperatures, etc. may cause this condition to occur. • Makesurethemachineisplacedonaflat,horizontalsurface. • Removethedrumunitwiththetonercartridgeinstalled.Try rocking them from side to side. • Youmaycleartheproblembywipingthescannerwindows with a clean soft cloth. (See "Regular Maintenance" and "Cleaning the Drum Unit" on page 13-1~3.) If the same problem occurs after cleaning and the display shows CHANGE DRUM, replace the drum unit with a new one. Ghost images appear on printed pages. Ghost Images • Turn the print density dial counterclockwise for lighter images. See "The Print is too Light or too Dark" on page 1312. • Makesurethatyouusepaperthatmeetsthespacifications. Rough surface or thick media can cause the problem. NOTE The drum unit is a consumable item, and it is necessary to replace it periodically. 13-16