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This is a C8070. I am trying to scan to email a 2 sided document with remove blank pages options. When I use certain test files it works but when I use a certain douuments that I printed, it is still not removing the blank pages. Tested document on a C8035 (101.001.069.2900) and it worked. Upgraded firmware. I am baffled. Sometime it works and most of the time it doesn't. Upgraded to firmware 101.003.019.20200
Cleaned scanner strip and underneath doucment feeder.