If it is a "physical" sticky button, try buying a can of tuner/control spray cleaner from Radio Shack. Make sure the printer is powered down or unplugged. Try spraying around the separation between the button and the area immediately around it and right away push the button a few dozen times. This worked with my sticky microwave button; hope it works for you.
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If it is a "physical" sticky button, try buying a can of tuner/control spray cleaner from Radio Shack. Make sure the printer is powered down or unplugged. Try spraying around the separation between the button and the area immediately around it and right away push the button a few dozen times. This worked with my sticky microwave button; hope it works for you.