Image Quality Is Poor; Nozzle Is Clogged; An Error Occurred In The Ink Bottle; When The Ink Leakage Occurs - MIMAKI UCJV300-75 Operation Manual

Image quality is poor

This section describes the corrective actions to be taken in case the image quality is not satisfactory. Take remedy for
particular problems with image quality. If the remedy does not work, contact your local distributor or our service desk.
Phenomenon
White lines / blur / dark stripes
(in the direction of travel of the heads)
Characters are double- or triple-printed in
the media feed direction
Disagreement in print positions in bi-
directional print.
Ink drops falling on media during printing

Nozzle is clogged

When nozzle clogging is not dissolved even after the head cleaning referring to P.2-19, make sure the following
operations.
 Wash the head nozzle by the operations of P.5-9.
 Follow the procedures described in P.5-16 to perform the FILL UP INK operation.
 Follow the procedures described in P.5-16 to perform the AIR PURGE operation.
 Recover the nozzle by the operations of P.5-13.

An error occurred in the ink bottle

If an ink bottle fails, a warning message will be displayed.
None of printing, cleaning and all the other operations that use ink is available.
When abnormality occurs, please take following actions.
• Check the amount of ink in the ink bottle and replenish it if the ink volume is low.
• Please do not leave it for a long time with the ink bottle error displayed. Nozzle clogging prevention function will not oper-
ate.
If nozzles are clogged, the machine must be repaired by MIMAKI's service engineer.

When the ink leakage occurs

In case of ink leakage, please turn off the main power, unplug the power cable and contact our service office or distributor.
(1) Execute the head cleaning.
(2) Perform maintenance of the inside of the station.
(3) Execute the [FEED COMP.] function.
(4) If any pieces of paper or dust is attached on the path of the heads such as
media press, remove it.
(1) Execute the [FEED COMP.] function.
(1) Execute the [DROP POSITION] function.
(1) Clean the wiper. P.5-6
(2) Clean the ink cap. P.5-6
(3) Clean around the head.
(4) Execute the head cleaning [NORMAL].
(5) Set the INTERVAL WIPING, operation.
Chapter 6 Troubleshooting
Measures
P.2-19
P.5-6
P.3-8
P.3-5
P.3-6
P.5-12
P.2-19
P.3-10
1
2
2
2
2
6
6-3