Brother International MFC-9340CDW Users Manual - English - Page 99
Replacing the drum units, Drum !, Order No. DR-221CL 4 pc. Drum Set or single - drum error
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Routine maintenance Replacing the drum units A Order No. DR-221CL 4 pc. Drum Set or single drum units DR-221CL-BK, DR-221CL-CMY A new drum unit can print approximately 15,000 Letter or A4 size single-sided pages. DR-221CL Drum Set contains four drum units, one Black (DR-221CL-BK) and three Color (DR-221CL-CMY). DR-221CL-BK contains one Black drum. DR-221CL-CMY contains one Color drum. Drum wear and tear occurs due to use and rotation of the drum and interaction with paper, toner and other materials in the paper path. In designing this product, Brother decided to use the number of rotations of the drum as a reasonable determinant of the drum life. When a drum reaches the factoryestablished rotation limit corresponding to the rated page yield, the product's Touchscreen LCD will advise you to replace the applicable drum(s). The product will continue to function; however, print quality may not be optimal. As the drums rotate in unison during the various stages of operation (regardless of whether toner is deposited on the page) and because damage to a single drum unit is not likely, you must replace all of the drums at once (unless you replaced an individual drum [DR-221CL-BK for Black and DR-221CL-CMY for Color] for reasons other than reaching its rated life). For your convenience, Brother sells the drum units as a set of four (DR-221CL). NOTE • There are many factors that determine the actual drum life, such as the temperature, humidity, type of paper, type of toner used and so on. Under ideal conditions, the average drum life is estimated at approximately 15,000 pages. The actual number of pages that your drum will print may be significantly less than this estimate. Because we have no control over the many factors that determine the actual drum life, we cannot guarantee a minimum number of pages that will be printed by your drum. • For best performance, use only genuine Brother toner. The machine should be used only in a clean, dust-free environment with adequate ventilation. • Printing with a non-Brother drum unit may reduce not only the print quality but also the quality and life of the machine itself. Warranty coverage does not apply to problems caused by the use of a non-Brother drum unit. Drum ! A The corona wires are dirty. Clean the corona wires in the four drum units (see Cleaning the corona wires on page 82). If you cleaned the corona wires and the Drum ! error was not cleared, then the drum unit is at the end of its life. Replace the drum units with a new set. A 85