Top Page > Troubleshooting: TCRU/ORU > Post-Processing Option Troubleshooting > Finisher SR5050/Booklet Finisher SR5060 > Paper Edges Are Stained (2) > 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.