To provide an ink ribbon cartridge having: a transfer roller and drive roller for feeding an ink ribbon; and an ink tank for replenishing ink to the ink ribbon with an ink replenishing piece abutted on the transfer roller, wherein even if the ink ribbon cartridge is left unused, ink does not remain in the abutting part of the ink replenishing piece.

The ink tank 120 is divided into upper and lower, and the ink replenishing piece and an impregnating member are provided in the upper ink tank while an ink absorber is arranged in the lower ink tank. When the ink ribbon cartridge 112 is mounted, the ink absorber on the lower side is abutted on the impregnating member is on the upper side so that ink can be supplied to the ink ribbon 111 via the ink replenishing piece 121 and the transfer roller 122.