Brother HL3040CN Laser Printer "flashing light" Questions

Flashing Blue I've tried cleaning the corona wire, removing and replacing the drum, removing and replacing the toner cartridge. Nothing seems to work. Please help! When all lights flash it's a service

ERROR LIGHT KEEPS ON FLASHING ERROR LIGHT FLASHES Check the user manual and compare exact sequence of flashing lights in order to determine what the problem is.

All lights are flashing The drum and ready lights flashes once, then all the lights flashes again.It is repetitive. Motherboard is faulty

...light flashing orange. It print for a while then the paper light flash yellow, then it stop. The printer print up to half a page the it stop. Check printer and turn printer off a few times, but it ...

...light flashes, followed by all four lights flashing at once; drum, ready, paper, and data lights. Then drum light flashes again, followed by all four again and so on. Computer says printer has jobs ...

...flashing. 1st the drum light flashes, then all 4 flash. I have replaced the drum unit and pressed the button until all 4 lights come on and then shut the cover, but they are still flashing. Please ...

...Follow the link below to see what the light flashing mean. ...

...the jam out but the paper light keeps flashing like there is no paper but there is. No matter what I do the light won't stop flashing and it won't print. Please help! there is a sensor maybe is ...

...Light flashing When the printer is in the Ready position, the Drum light flashes constantly. I'm able to print and the quality is good. You can continue to use the printer, but when print quality ...

...light stops flashing and toner, drum and red status light come on and stay on as long as i have the buttons pressed down. what do i do next? That series of lights indicates a main circuit board ...