Canon imageCLASS D880 All-In-One Laser Printer "imagine opposite" Questions

Imagine you wrote something in lipstick and folded the page. There would be an impression of the lipstick on the opposite side of the fold. I suspect the paper, which is 24 lb with 25% cotton content

...imagine my mom's boss tried putting a new toner cartridge in there first -- not sure they're both full though. Both of the cartridges give the same result: barely any toner sticks to the top right of ...