TM-toner &copy; Toner refill kit with chip for Ricoh SP 100LA SP 100, 100 E, SP112SU, SP112SF cartridge printer 30 days money back guarantee Toner refill kit with chip Compatible with 407165 (SP100LA) toner cartridge Work with :Ricoh SP 100LA, SP 100, 100 E, F U SP112SU, SP112S Video instruction can view at our support site