Hitachi IJ RX2 Service Manual page 208

6.3.7 Improper Sensor Position
No
Is the "Repeat count"
is set to "0000" from
Yes
the print
specifications screen?
No
Set the "Repeat count"
to "0000".
Resume the
operation.
Replace the EZJ126 board.
Improper Sensor Position
Is the repeat printing
function required?
Is there an excessive
clearance between the
print head and print target
detector?
No
6-29
Yes
No
Is the print start signal
chattering?
Yes
Ensure that the print
start signal does not
chatter any longer.
Yes
Decrease the
clearance between
the print head and
print target
detector.