Hitachi UX Twin Nozzle - Page 293

6-51
6.3.6 Print Head Cover Open
Is the print head cover
removed?
Is the print head cover
completely closed?
Properly install the
print head cover.
Completely close the
print head cover.
Is the magnet inside
the head cover
damaged or missing?
Properly install the
magnet.
Yes
Yes
Yes
No
No
Is the EZJ133 board CN38
connector disconnected?
Connect the connector.
Replace the EZJ133 board.*1
No
Yes
No
Open the heater cover
and position the magnet close to
the cover switch.
Does the cover switch
conduct?
Press the Clear key to
clear the fault.
Resume the
operation.
Replace the cover
switch.
No
Yes
Print Head Cover Open
(*1): When you replace EZJ133 board, refer to [Replacement procedures of EZJ133 board] in “3.3.1 EZJ133 board (MPU
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”.