CS2560 with black screen and no response to key entries.
When machine is turned on the display comes on and says "program loading" then the Memory indicator flases twice and a couple of
seconds later the display goes black and machine will not respond to any keys being selected such as copy mode button and start button.
I understand that the customer was in the habit of leaving machine on all the time until this happened. At times the screen would come back on and
it would work normally.
I also heard a high pitched hum coming from just above bypass tray. Very grateful for any assistance. Frank/ActionPhotocopy
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