Brother International MFC-9970CDW Users Manual - English - Page 91
Replacing the drum unit, Drum Error, Replace Parts Drum, Drum Stop - reset drum
UPC - 012502625131
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Routine maintenance Replacing the drum unit A Order No. DR-310CL A new drum unit can print approximately 25,000 Letter or A4 size single-sided pages. 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 25,000 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 Error A The corona wires have become dirty. Clean the corona wires in the drum unit. (See Cleaning the corona wires on page 70.) If you cleaned the corona wires and Drum Error was not cleared then the drum unit is at the end of its life. Replace the drum unit with a new one. Replace Parts Drum A The drum unit has exceeded its rated life. Please replace the drum unit with a new one. We recommend a genuine Brother drum unit be installed at this time. After replacement, reset the drum counter by following the instructions included with the new drum unit. Drum Stop A We cannot guarantee the print quality. Please replace the drum unit with a new one. We recommend a genuine Brother drum unit be installed at this time. After replacement, reset the drum counter by following the instructions included with the new drum unit. A 75