Repair method and repair chip for regenerative ink cartridge, and regenerative ink cartridge

A repair chip for a regenerative ink cartridge, comprising a storage device used for storing repair data, characterized by further comprising:

• enable pad, data pad and (m−1) address pads;
• when a regenerative ink cartridge provided with the repair chip is mounted on a printer, the enable pads of the repair chip are electrically connected with the enable line of the printer so as to monitor signals on the enable line of the printer;
• the data pads of the repair chip are electrically connected with the data line of the printer so as to transmit data to the printer through the data line;
• the address pads of the repair chip are electrically connected with the address lines of the printer so as to monitor signals on the address lines of the printer;
• a data returning device used for returning all or part of the repair data to the printer through data pads according to signals, monitored by address pads and the enable pads, on the (m−1) address lines of the printer;
• wherein,
• the repair data are data making information indicating the ink cartridge residual ink quantity of the ink cartridge not be 0;
• m equals to the number of the address lines of the printer.