- If foreign objects on the nozzle surface are the cause, powerful maintenance with Maintenance Liquid 16 may resolve firing issues.
[Important]
When performing powerful maintenance using Maintenance Liquid 16 for the first time, please consult our engineers for the procedure in advance.
*The powerful maintenance may not resolve all firing issues.
Firing issues caused by factors other than foreign objects on the nozzle surface may not be resolve.
[Precautions]
Please be sure to confirm in advance.
How to perform powerful maintenance
<Step 1>
Select [Head Maintenance] and clean the nozzle surface using Maintenance Liquid 16.
(1) On the LOCAL mode screen, select [MENU] > [MAINTENANCE], then press the [ENTER] key.
(2) Select [STATION MAINTENANCE] > [CARRIAGE OUT] > [HEAD MAINTENANCE], then press
the [ENTER] key.
The carriage moves to the maintenance area.
(3) Fold the included maintenance cloth in half and drop Maintenance Liquid 16 onto the folded part,
allowing it to soak in.
- Amount to drop: 6ml (approx. 3 doses with the included syringe).
- Please make sure to use the cloth provided in the kit.
- Do not reuse a maintenance cloth once it has been used; always use a new maintenance cloth.
(4) Open the maintenance cover and allow Maintenance Liquid 16 to penetrate the nozzle
surface of the head where firing issues have occurred.
- Press the maintenance cloth soaked with Maintenance Liquid 16 against the entire nozzle
surface of the head for 2 to 5 minutes.
- Do not rub the nozzle surface or press it forcefully with your fingers.
Scratching the nozzle surface can cause firing issues.
(5) Close the maintenance cover and press the [ENTER] key.
After completion, please proceed immediately to the next step 2 without delay.
<Step 2>
Promptly perform head cleaning (Hard).
Please refer to the "Operation Manual" for the head cleaning procedures.
- UJF-7151 plus Operation Manual
- UJF-7151 plusII Operation Manual
<Step 3>
Perform a test print to confirm if the firing issue has been resolved and if there are any abnormalities
in the color of the print result.
■ If the firing issue does not recover:
Return to Step 1 and perform nozzle surface cleaning again with a new maintenance cloth.
If there is no improvement even after performing it three times, please contact our call center.
■ If firing issues have been resolved but there is an issue with color
(such as being too light or mixed colors):
Please perform cleaning and wiper nozzle cleaning using the
maintenance liquid for daily maintenance (not suitable for Maintenance Liquid 16).
If no improvement is observed, please contact our call center.
■ If recovery is successful and there are no color issues:
Powerful maintenance is complete.
Please refer to this video for reference.
“Types and selection of maintenance liquid for UV ink”
