EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Disassembly/assembly Disassembly/Reassembly Procedures 402
Confidential
Seal Joint Head
1. Remove the Seal Joint Head between the Ink Supply Tube and Printhead.
If ink is remained to ink tube joint part of Ink Supply Unit, Ink Leak Check can not perform
correctly. Therefore cleaning the ink surely.
Replace the seal joint head with the new one because it cannot be reused.
Check the seal joint head is not double-installed.
Check the seal joint head is inserted all the way.
Check the foreign object does not adhere on the seal joint head.
Ink Supply Tube
Seal Joint Head
Wiping area
Printhead Connector