Patent ID: 8070248

Claim:
An image forming apparatus comprising: a recording head in which a plurality of nozzles for ejecting ink are formed; a supply path which supplies fluid to the recording head; a discharge path which ejects the fluid from the recording head; a first thermistor arranged on the supply path side; a second thermistor arranged on the discharge path side; and a control section which sets an ink ejecting drive voltage for the recording head on the basis of an output from the first thermistor and an output from the second thermistor; wherein: the recording head includes a plurality of ink ejecting heads, the supply path comprises a common supply part and divergent supply parts diverged from the common supply part for supplying the fluid to each of the plurality of ink ejecting heads, the discharge path comprises a common discharge part and divergent discharge parts diverged from the common discharge part for ejecting the fluid from each of the plurality of ink ejecting heads, the first thermistor is arranged in the common supply part, and the second thermistor is arranged in the common discharge part.