A. Loopback Plug B. Multimeter C. Power Supply Tester D. Extension Magnet
A. Faulty driver; reinstall or update driver B. Bad fuser; place service call to printer manufacturer. C. Excess toner on drum; perform maintenance (e.g. clean drum surface). D. Deteriorating rollers and worn brushes; replace rollers and brushes.
A.Celeron B.Athlon C.Core Duo D.Itanium