Oki IP-5530, User Manual, Page: 92 / 265

92
Maintenance
B Nozzle print
Print the
NOZZLE PRINT
pattern
Nozzle print is used to check that no nozzle (opening to eject ink) on the print heads is clogged. Perform a nozzle
print following the timing below.
- Every day before the first print.
- When the carriage has been separated from the capping unit for a long time, for example after cleaning the
capping unit.
1
PRINTER READY
01: PAPER / 1626mm
Press the
NOZZLEPRINT
button.
2
NOZZLE PRINT
2
PRINT?
Press the OK button to start the operation.
To cancel the operation, press the CANCEL button.
3
NOZZLE PRINT
2 EXECUTING
The nozzle print pattern prints.
4
Check for missing dots and incorrect print.
A pattern such as the figure shown on
the right is printed.
Check that no line is missing and that
the ink ejection direction is straight.
Perform a normal cleaning (
PH
RECOVERY ) if a line is missing or the ink
ejection direction is not straight.
If the same problems still appear after
performing normal cleaning several
times, configure nozzle map with the
procedure below.
Missing lines are found
No line is missing and the
printout is correct
Mark for the last nozzle (nozzle 254)
Check that nozzle print is complete up
to the right of this mark. Example when lines for nozzles 24 and
133 are missing in the printout.
Ink is not ejected straight
Ink is ejected straight
and the printout is correct
The line printed by the nozzle 159
(indicated with the arrow) is bent to
the nozzle 161.
⇒
Example when the nozzle
159 does not eject ink straight.
If the spaces between
the lines are even, the
ink is ejected straight.
If there are uneven
spaces between lines,
the ink may not be
ejected straight.
GOOD BAD
GOOD BAD