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It is in the service manual. If you don't have a service manual, you should not be working on a production printer.
I have the service manual, but I can not believe that the print is broken. I do not believe in coincidence. Must be a stupidity. Maybe someone had the same error ...
SC719-3 - Downstream HCS Communication Error
The unit installed immediately to the left of the HCS failed to respond.
• HCS I/F cable disconnected, loose, or broken
• HCS main board harness disconnected or broken
• Main machine controller harness disconnected or broken
• HCS main board defective
• Main machine controller board defective
Something's been damaged in transit or it's not plugged in.
The stacker was corrupt. Machine also said that the toner was not properly placed + code sc719-3 and sc719-7.All because of the stacker that was corrupt. just so you know.Thank you everyone.Patrick
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