E77830 Error Code 65.00.A1

​Solution this time:
Replace JC92-02968A Finisher PCA (Main PWB for Finisher) Step 7 CPMD

Steps:
Go to CPDM for  E77830 section 65.WX.YZ and 66.WX.YZ error messages and follow steps after 65.00.A1

Note:
Machine will jam and act irregular until you remove finisher and relay unit. Print error log to see real issue.