Epson WF-5690 Series Service Manual page 80

Epson WF-5690/4640/4630/5620/5190/5110 series
Ink Leakage Inspection Condition

Air pressure power : 48 ± 2 Kpa

Air pressure time : 10 sec

Air pressure hold time : 30 sec

Air pressure judgement standard : Less than 0.4 Kpa
Checking procedure
1. Turn each valve of the Ink Leak Measurement Jig as follows:

Valve A: Open

Valve B: Open

Valve C: Open
2. Connect the Ink Leak Check Cartridge to the Ink Leak Measurement Jig.
3. Install the Ink Leak Check Cartridge into the ink cartridge slot of the printer to check.
4. Press the power button of the pressure gauge.
5. Confirm the value on the pressure gauge is 0.0 kPa. Otherwise, restart the pressure gauge.
6. Pull the plunger up to the 20 mark.
Adjustment
Tube of Ink Leak Check Cartridge
Figure 3-39. Ink Leak Check (1)
Pull the plunger up to the 20 mark.
Figure 3-40. Ink Leak Check (2)
Details of Adjustments
Connect tube while pressing here.
Revision D
80
Confidential