Hitachi IJ PH Service Manual page 186

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6.5.7 Printing initiation failure in
ready-for-printing state (no prints)
No prints
Is the printer in
the "Ready"
state?
No
Place the printer in
The "Ready" state.
Are prints made?
No
Yes
Yes
Yes
Yes
Yes
Yes
Resume the
operation.
Does the obtained
No
Yes
print consist of
spaces only?
Yes
Enter characters
other than a
space.
No
Properly enter the
encoder signal.
No
Are prints made?
No
Are prints made?
No
Are prints made?
Are prints made?
No
Are prints made?
No
6-49
Is the print start
Yes
signal entered?
No
Check the print
target detector
Yes
wiring and supply
voltage and enter
the print start
signal to the IJ
printer.
Is the encoder
Yes
signal properly
entered?
No
Optimize the print
start delay setting.
Yes
Connect the cable.
No
Is the cable
between the
Yes
EZJ93 board CN7
connector and
Connect the cable.
EZJ95 board CN1
connector
disconnected?
No
Replace the EZJ95
board.
Replace the EZJ93
board.
Is the "Product
speed matching"
feature is set to
"Provide Encoder
based" from the IJ
printer screen?
No
Is the print
start delay
setting
proper?
Yes
Is the high-
voltage cable
disconnected?

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