EPSON WF-6090,WF-6530, WF-6590 Series Service Manual Page 241-264

Confidential Details of Adjustments 245 EPSON WF-6590/WF-6530/WF-6090 Series Revision C 6. Pull the plunger. Figure 3-15. Ink Leak Check (2) 7. Close the valve B of the Ink Leak Measurement Jig. 8. Push the plunger to inject the air out, and confirm the pressure gauge indicated 48 ± 2kPa, then after the valve has stabilized, shut the valve A. 9. If the valve is less than 48 ± 2kPa, Open the valve A and pull out and push in the plunger several times until the valve reaches 48 ± 2kPa, then after the valve has stabilized, shut the valve A. 10. Close the valve A, and after waiting 10 seconds for the pressure to stabilize, record the valve displayed on the pressure gauge. Pull the plunger „ Release method of the pressure If you pressurize the pressure of the more than the specified value, remove the printhead to out side of the Carriage Unit, and slowly loosen the screws of the Ink Supply Unit, and lower the pressure in the Ink Tube. At this time, put the Dust-free cloth at around the connection of the Printhead and Ink Supply Unit, because ink may drop from the connection of the Printhead and Ink Supply Unit. Figure 3-16. Ink Leak Check (3)
Page 1 of 24

Epson WF-6090 Series Service Manual Page 241-264
Epson WF-6530 Series Service Manual Page 241-264
Epson WF-6590 Series Service Manual Page 241-264