Question about Gestetner DSM 651 Copier
This code is related to a bad communications between the controller and the operation panel.
Could have the following causes:
- Controller installed incorrectly
- Operation panel harness disconnected or defective.
- Controller board defective.
(also check the jumper on the MBU fax unit. It must be set at the ON position)
I give this answer for the SC672 assuming that you know why you remove the NVram...
Posted on Apr 11, 2011
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Posted on Jan 02, 2017
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