Amazon.com: TM-toner 4 times Toner refill kit with chip and hole making tool for Ricoh SP 100LA SP 100, 100 E, SP112SU, SP112SF cartridge printer : Office Products
TUTORIAL: HOW TO REFILL RICOH MP161/171/201 TONER CARTRIDGE TONER REFILL | COPIER, PRINTER, SCANNER - YouTube