Ink Heating Current Fault - Hitachi IJ PH Service Manual

6.2.17 Ink Heating Current Fault

Ink Heating Current Fault
Is the PTC resistance
measured (between the
EZJ94 board TP3 and TP15)
lower than 23 Ω ?
Yes
Replace the heating unit.
・Clear the fault.
・From the maintenance
screen, place the heating
unit in the operating mode.
・Restart the IJ printer.
Does the fault recur?
Yes
Replace the EZJ106 board.
・Clear the fault.
・From the maintenance
screen, place the heating
unit in the operating mode.
・Restart the IJ printer.
Does the fault recur?
Yes
Replace the EZJ93 board.
・Clear the fault.
・From the maintenance
screen, place the heating
unit in the operating mode.
・Restart the IJ printer.
Does the fault recur?
Yes
Replace the print head.
- On detecting this fault, the IJ printer automatically sets the "Ink temperature
correction" to (disable).
"System environment setup Ink temperature correction (enable)
After getting rid of the fault, reset the Ink temperature correction to (enable).
"System environment setup Ink temperature correction (disable)
- In the condition of the "Ink temperature correction (disable)," the "Ink temperature
correction confirmation" message appears each time the power is turned on.
(See "1.2.7 Heating of Ink" in the Instruction manual".)
No
No
No
No
Resume the
operation.
Caution
!
6-19
(disable)
(enable)