hi our 4900 after ink pump assy ( whole capping station unit ) and damper change wont print 4 colors , after initial ink charge the half nozzles come back but after head cleaning all 4 channel will dissapear again , what can be the problem ?
hi our 4900 after ink pump assy ( whole capping station unit ) and damper change wont print 4 colors , after initial ink charge the half nozzles come back but after head cleaning all 4 channel will dissapear again , what can be the problem ?
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