Intermittant H-4
Problem: Turn copier on, works for a few days, turn off for awhile; then turn back on and it gives H4 code. Have several doing this, not sure how to fix problem, as resetting it goes right back ready, until you shut it off again.
When I turn my copy machine on, it makes a loud clicking sound. it is a Sharp AL1631 grayscale copy...
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When I turn my copy machine on, it makes a loud clicking sound. it is a Sharp AL1631 grayscale copy machine