When the image drum cartridge reaches the 90% point of its life cycle on an Oki Data laser printer, a "Change Drum" message will display on the screen. Around this time the print typically starts to become faint or starts to deteriorate. When a new drum cartridge is installed, the drum cartridge counter needs to be reset for the printer to keep track of the life cycle of the replacement.
1.Turn the printer power off. Open the top cover.
2.Press the oval switch on the operator panel. Hold the switch down. Turn the printer power on.
3.Release the oval switch when the lights on the front panel flash twice. This indicates that the drum counter has been reset. Close the printer top cover.
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All the switches are round. I have a OKI C710 and need to reset the image drum life.....Help!
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