Hitachi IJ RX2 Service Manual page 185

6.2.4 Ink Replenishment Time-out
Ink Replenishment
Time-out
Press the Reset key to clear the
fault and execute "Ink refill".
Then restart the printer.
Does the "Replenishment
Time-out" fault recur?
Yes
Does the MV2 (Replenishment
valve) operate on the solenoid
valve/pump test screen?
Yes
Does the initial-level
sensor operate?
No
Is the EZJ126 board CN13 or
EZJ132 board CN1, 3 connector
disconnected?
No
Disconnect the connectors, then
reconnect them (3 connectors).
Does the initial-level
sensor operate?
No
Is the connection harness
conducting?
Yes
Is the fault cleared by
power-on reset?
No
Replace the EZJ126 board.
[CAUTION]
If you remove a solenoid valve or other piping part without relieving the
pressure from the path, the ink may gush out. Before performing the above
steps, be sure to provide pressure relief.
No
No
Replace the connection
harness
Yes
Yes
Connect the connector.
Yes
No
Replace the harness.
Yes
6-6
Does the MV2 operate when
Other operating solenoid valve
Yes
connector joints to MV2?
Repair the sticking or replace
the solenoid.
Yes
Does the "Replenishment
Time-out" fault recur?
Resume the
operation.
No
No