Q

my sheet is not very dark. so if i was to replace the drum would that help the print quanity?

Brother DR-221CL Compatible Drum Unit Set for HL-3140 MFC-9130 9330
$84.00
A
Light print normally caused by low toner. If you are sure that toner is full or not low, then yes it can be caused by worn out drum. I would replace the drum in that case. Drum usually last about 3-4 toner cartridges.
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Answered by TP on Sep 26, 2017
C