Hitachi UX Twin Nozzle Service Manual

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3.3.10 EZJ139 board (Power relay board 2)
[Function]
- Relay board for AC power turning ON and OFF
[Notes for the board replacement]
- After replacing the board, be sure to joint connectors to right places.
- Check if IJP starts up properly by turning power ON after the board is replaced.
[EZJ139 board external view]
[Replacement procedures of EZJ139 board]
(1) Turn off the power and wait for more than 10 seconds. Then pull the plug out of the
wall outlet.
(2) Remove the fixing screws (4 locations) and remove the side cover.
And then remove the ground wire.
(It is not necessary to remove the inlet base nor inlet cover.)
AC power is supplied to the EZJ139 board. In order to avoid an electric
shock, turn off the power and wait for more than 10 seconds, pull the plug
out of socket, and then access the EZJ139 board.
Caution against an electric shock
Side cover
CN1
(Connection to
multiple power supply 2)
CN4
(Connection to
EZJ133 board)
Fixing spacer
(1 piece)
Fixing screws
(4 locations)
Main power
switch
Inlet cover
CN2: Connector for
EZJ113 board
Position of board fixing plate
mount on main unit chassis.
Fixing screw
(1piece)
CN3: Connector for
Multiple power supply 1

Hitachi UX Twin Nozzle Specifications

General

Brand	Hitachi
Model	UX Twin Nozzle
Category	Printer
Language	English