NEC Silentwriter SuperScript 610plus User Manual page 161

Maintaining Your Printer 9–7
6. Close the printer by gently pressing the upper
cover down, until it locks in place.
NOTE: Make sure the lock release lever has re-
turned to its original position.
After redistributing the toner, continue using the
cartridge if the output quality has improved.
If a light output persists, it is time to replace the
Toner Cartridge. (Refer to page 9-9 "Replacing the
Toner Cartridge.")