Making reliable alternatives to the 841429 has always been relatively easy for our manufacturers due to the simplistic design of the original toner cartridges. The bottle like design of these remanufactured Ricoh 841429 toner cartridges means that it can hold a vast amount of cyan toner powder. So much in fact that you can expect an estimated 15,000 prints from this remanufactured Ricoh 841429.Compatible with a few excellent Ricoh printers, this 841429 toner cartridge is fully guaranteed to work in your Aficio MPC3001 or MPC3501 colour laser printer.