Hitachi IJ UX Service Manual page 282

6.5.7 Printing initiation failure in
No prints
Is the printer in the
"Ready" state?
No
Place the printer in
the "Ready" state.
Connect the cable.
Replace the EZJ127
board.
No
Are prints made?
Yes
Yes
Are prints made?
Yes
Yes
Yes
Yes
Resume the
operation.
ready-for-printing state (no prints)
Does the obtained
Yes
print consist of
spaces only?
Yes
Enter characters
other than a
space.
Resume the
operation.
No
Properly enter the
encoder signal.
Are prints made?
Are prints made?
Are prints made?
Connect the cable.
Are prints made?
6-64
No
Is the print start
signal entered?
No
Check the print
target detector
wiring and supply
voltage and enter
the print start
signal to the IJ
printer.
Yes
Are prints made?
Is the cable between
the EZJ126 board
Yes
CN11 connector and
EZJ127 board CN6
connector
disconnected?
No
Is the encoder
No
signal properly
entered?
Optimize the print
start delay setting.
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 print
No start delay
setting
proper?
Yes
Replace the EZJ125
board.
Replace the EZJ126
board.
Is the high-
Yes
voltage cable
disconnected?
No
Replace the high-voltage
power supply unit.