NEC SuperScript 150C User Manual page 38

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tab in Printer Monitor (see the specific section in Chapter 1 -
User Interface).
If you have a problem with the printing quality that is not
solved by the nozzle clearing operation described above, try
cleaning the print head, as follows:
1. Position the print head carriage in the head loading
position, open the top cover, release and remove the
print head (see the specific sections in this chapter).
2. Clean the electrical contacts on the print head and in the
housing on the print head carriage with a slightly damp
lint-free cloth, taking care not to touch the print head
nozzles.
3. Re-insert the print head in the printer, close the top
cover and press any key to return the printer ON-LINE.
If there is still no improvement in the print quality, try
cleaning the print head nozzles.
2-4
This operation MUST NOT be repeated continually, as it
will damage the print head. It should ONLY be attempted
as a last resort, before changing the ENTIRE print head.
1. Dampen a tissue handkerchief with distilled water;
squeeze it slightly to remove any excess water.
2. Remove the print head from the printer (see the specific
section in this chapter).
3. Holding the print head with the nozzles facing
downwards, blot it against the handkerchief, pressing
lightly.
4. Repeat the blotting operation a few times on different
areas of the handkerchief, to clean the nozzles.
5. Reinsert the print head in the printer and print the
"demo" page to check the quality of printing (see the
specific section in the Quick Start).
Ink Jet Print Head

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