Anyone having bad toner carts for the new 4111-5111 machines? I have had 7 in the past three weeks. F2-40-43 codes. I know that the version 4.0 firmware is supposed to address this, but only one of the 7 had version 3.0 firmware, and after the upgrade, the yellow bound up the very next day. Every one came right back after changing the toner carts. They bind up so tight they can't be turned by hand. Was just curious if this had been seen any where else?
