Ink supply arrangement incorporating sets of passages for carrying respective types of ink

1. An ink supply arrangement for supplying ink to an inkjet printhead, the ink supply arrangement comprising:

an elongate ink distribution molding defining a printhead channel in which the printhead can be received and sets of passages for supplying respective types of ink to the printhead;

a baffle unit configured to be engaged relative to the ink distribution molding, and defining a plurality of elongate walls and a plurality of baffles extending from the walls; and

a housing which can receive the baffle unit to define a plurality of ink storage chambers in fluid communication with respective sets of passages.

2. An ink supply arrangement as claimed in claim 1 , wherein each of said passages tapers inwardly toward the printhead.

3. An ink supply arrangement as claimed in claim 1 , including a triplet of said sets and a pair of said elongate walls.

4. An ink supply arrangement as claimed in claim 1 , wherein the baffle unit is ultrasonically welded to the housing.

5. An ink supply arrangement as claimed in claim 1 , wherein the baffle unit includes a plurality of end wall portions which can be pierced so that ink can be supplied into respective ink storage chambers.

6. An ink supply arrangement as claimed in claim 1 , wherein the housing defines a plurality of air holes to allow the ingress of air into the ink storage chambers responsive to the egress of ink from the ink storage chambers.

7. An ink supply arrangement as claimed in claim 1 , wherein a filter covers the ink distribution molding and is configured to filter ink supplied thereto.

8. An ink supply arrangement as claimed in claim 7 , wherein silicone gel or another like resilient adhesive binds the baffle unit to the filter.