A large number of nozzles are clogged simultaneously, but they are improved after cleaning once. However, nozzles are clogged again after a while
Suspected cause
There are bubbles in the ink path.
Foreign matter builds up in the Self Sealing Valve Filter of the ON-CR Unit. (Is forced output by the strong CL. But is not forced output by weak FL.)
Parts/Components to be checked
- Print Head
- Self Sealing Valve Assy
Troubleshooting
Step | Confirmation points and methods | Page | YES | NO |
---|---|---|---|---|
1 | Perform head cleaning (CL3) again Does the product recover from nozzle clogging? | Cleaning | End | Go to step 2 |
2 | Perform the initial charge. Does the product recover from nozzle clogging? | Initial Ink Charge | End | Go to step 3 |
3 | Wiping the Print Head Does the product recover from nozzle clogging? | Wiping the Print Head | End | Go to step 4 |
4 | Replace the Self Sealing Valve Assy Does the product recover from the failure? | Self Sealing Valve Assy | End | Escalate to person in charge |