Brother DCP-7040,DCP-7340,DCP-7450,DCP-7840 Service Manual ( Error code and remedy )
Recoverable User Check ErrorsThese errors are recoverable by following the message indicated on the lcd or following the items incated in user checkError Code 67 Toner low prepare new toner cartridge the toner of the toner cartridge is low. ( the toner sensor delects the nearly empty.)User chek prepare a new toner cartridge, if the…