An ejection recovering unit includes tube pumps which generate pressure for performing ink enforced discharge of ink jet heads by sequentially deforming flexible tubes under pressure. Pressing rollers are spring biased toward a direction of preliminary pressurizing a spring for sequentially pressure...http://www.google.fr/patents/US5309180?utm_source=gb-gplus-shareBrevet US5309180 - Ink jet recording apparatus and recovering mechanism thereof
Ink jet recording apparatus and recovering mechanism thereof