Hitachi UX Twin Nozzle Service Manual page 300

6.3.17 Ink Shelf Life Information
Input the lot number of the replaced ink in "Unit information" screen.
Is "Ink Shelf Life Information" shown again?
Confirm if he ink type on unit information and that of the ink just replaced are the
same, and input again the lot number of replaced ink on "Unit information" screen.
and input the ink lot number on unit information screen.
(*1): When you replace EZJ 128 board, refer to [Replacement procedures of EZJ128 board] in "3.2.1 EZJ128 board
(controller board)".
[Caution]
Be sure to check that there is no wrong connection of harnesses by referring to [Connector numbers and Identifying
method of harnesses] in "3.3.20 Electrical Connection Diagram".
Ink Shelf Life
Information
Is there ink remaining in the
Ink reservoir?
Yes
Discard ink remaining.
Replace ink.
Yes
No
Does the fault recur?
Yes
Is Calendar time correct?
Yes
No
Does the fault recur?
Yes
Replace the EZJ128 board.*1
6-58
No
No
No
Input the Calendar time correctly.
Resume the
operation.