b
If you still see vertical streaks, remove the OPC belt from the
printer, set it on the handle end, and tap the base of the
cleaning blade several times to remove any debris.
Reinstall the OPC and print a page to see if this solved the
streaking problem.
c
If you still see vertical streaks, remove the OPC belt from the
printer again, set it on the handle end, and use a soft brush
(for example, the type of brush you would use to clean a