New
#21
OldNavy just about summed it up. I believe in your particular situation, the 10 day rollback period is not an option. You need an MR of 1903/9, or roll up your sleeves and start over.
as mentioned, the .904 fix for the printers is in the catalog only.
KB4567512 CU Win 10 v1903 build 18362.904 and v1909 build 18363.904