Question about Brother MFC-8440 All-In-One Laser Printer
It shoots out almost blank pages, very light image no matter if I am printing or copying, with the contrast turned all the way up. It has no error messages. I bought a refurbished toner cart and refurbished drum and no luck. Brother then sent me a brand new toner cart and brand new drum and still no luck. With no error messages from neither the computer or the printer display, I am puzzled. It has only 3700 copies on it (practically new machine) and is 1.5 years old. Does this sound like a fuser or high voltage problem?
Ussally drum/toner would fix, will not be fuser, I would suspect Hi voltage board or laser unit, In australia these machines carry a 2 year return to base warranty.
Try reseting the drum counter, this also resets Bias voltage, might be your problem. open front cover with power on and press set, arrow to change drom and select yes.
Otherwise it would be a high voltage board problem, possibility alsoexist that it could be laser unit
Check status page for "71" errors, menu * 2 8 6 4 very very fast, machine will beep "maintence displays" then 77 to print out status page, 99 to return to normal.
Posted on Nov 27, 2007
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