Hitachi UX Twin Nozzle Service Manual page 330

6.5.7 No Printing is made in "Ready" state
No printing is made.
Is the printer in the
"Ready" state?
No
Place the printer in
the "Ready" state.
Connect the cable.
Replace the EZJ127
board.
No
Are printing made?
Yes
Yes
Are printing made?
Yes
Yes
Yes
Yes
Resume the
operation.
Does the obtained
Yes
print consist of
spaces only?
Yes
Enter characters
other than a
space.
Resume the
operation.
No
Enter the encoder
signal properly..
Are printing made?
Are printing made?
Are printing made?
Connect the cable.
Are printing made?
6-88
No
Is the print start
signal entered?
No
Check the print
target detector
wiring and supply
voltage, and then
enter the print
start signal to the
IJ printer.
Yes
Are prints made?
Is the cable between
the EZJ133 board
Yes
CN11 connector and
EZJ127 board CN6
connector
disconnected?
No
Is the encoder
No
signal properly
entered?
Optimize the setting
of print start delay
properly.
No
No
No
No
Yes
Is the "Product
speed matching"
feature is set to
Yes
"Provide Encoder
based" from the IJ
printer screen?
No
Yes
Is the setting
No of print start
delay proper?
Yes
Replace the EZJ125
board.
Replace the EZJ133
board.
Is the high-
Yes
voltage cable
disconnected?
No
Replace the high-voltage
power supply1 and/or 2.