Hitachi UX Twin Nozzle, Руководство по обслуживанию

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6.2.18b (N2)Ink Heating Unit Over Current
- On detecting this fault, the IJ printer automatically sets the “Ink temperature
correction” to (disable).
“System environment setup: Ink temperature correction (enable)

(disable)”
After getting rid of the fault, reset the Ink temperature correction to (enable).
“System environment setup: Ink temperature correction (disable)

(enable)”
- In the condition of the “Ink temperature correction (disable), ” the “Ink Temperature
Correction Notice” message appears each time the power is turned on.
(See “1.6 Heating of Ink” in the Instruction manual”.)
Caution
!
(*1): When you replace Heating unit, refer to “5.6 Heating
unit replacement”.
(*2): When you replace EZJ133 board, refer to
[Replacement
procedures of EZJ133 board] in “3.3.1 EZJ133 board
(MPU board)”.
(*3)
：
When you replace the printhead, refer to “4.13 Print
Head Replacement Procedure”.
[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”.
(N2)Ink Heating Unit
Over Current
Is the PTC resistance
measured (between the
EZJ133 board TP3 and TP24)
lower than 23
 ?
No
Yes
Replace the heating unit. *1
Replace the EZJ133 board*2.
Does the fault recur?
Yes
No
▪ Clear the fault.
▪ From the maintenance screen, place
the heating unit in the operating mode. *)
▪ Restart the IJ printer.
Replace the print head*3.
Does the fault recur?
Yes
No
Resume the
operation.
▪ Clear the fault.
▪ From the maintenance screen, place
the heating unit in the operating mode. *)
▪ Restart the IJ printer.
*) Refer to the
following caution.
*) Refer to the
following caution.