Top Page > Troubleshooting: TCRU/ORU > Post-Processing Option Troubleshooting > Finisher > Paper Edges Are Stained (2) (Finisher SR5070 / Booklet Finisher SR5080) > Cause:
When a particularly dense image is printed, the paper feed rollers may become soiled with toner and the paper edges may in turn be soiled by the toner on the paper feed rollers.