Faint Printout
Assumed cause
- Poor print quality due to cockling (wrinkling) or curl of paper
- Head nozzle clogging
- Foreign objects on Nozzle surface
- Waveform data is not transferred to the Head.
- Image data generation or transfer failure
- Ink is not supplied or sucked due to failure in ink system parts


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Defect-related parts
- Head FFC
Image data transfer failure - Head Drive Board
Waveform generation failure - Main Board
Image data generation circuit failure - Head Unit
Discharge failure due to nozzles clogged or malfunction - Cap Motion Unit
Head capping failure - Main Supply Assy
Ink supply failure - Wiper
Causes nozzles failure when wiping - Maintenance Unit
Suction failure
Troubleshooting
| Step | Confirmation and action | YES | NO |
|---|---|---|---|
| 1 | Run Head Cleaning (CL3)
|
End of work | Go to step 2 |
| 2 | Print gradation patterns. Do not use the user’s paper.
(Due to user paper or separation. Use unopened or conditioned paper) |
End of work | Go to step 3 |
| 3 | Check the connection of the Head FFC
|
End of work | Go to step 4 |
| 4 | Replace the Head Drive Board
|
End of work | Go to step 5 |
| 5 | Replace the Main Board
|
End of work | Go to step 6 |
| 6 | Replace the Head Unit
|
End of work | Go to step 7 |
| 7 | Replace the Maintenance Unit
|
End of work | Replace the parts/components to be checked one by one. |