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"Power the machine off by holding down the power button. Wait a few seconds and then power..."
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"To avoid electrical shock, do not open the cabinet. ... Take out any discs from the tray..."
Ubaid abid posted an answer for this Konica Minolta bizhub C250 All-In-One Laser Printer:
"819 Fatal kernel error Due to a control error, a RAM overflow occurred during system..."
Ubaid abid posted an answer for this Konica Minolta Minolta Di450 Di470 Di550 Copier Mt Toner 502a 8936-902:
"Ventilation Fan Motor's failure to turn • The Lock signal remains HIGH for a continuous..."