37
-Remove the print head and do the following opera-
tions:
check that there are no foreign bodies on the print
nozzles; if there are, remove them carefully, taking
care not to touch the electrical contacts;
clean the electrical contacts both on the print head
and on the print head carriage, see "
To clean the
electrical contacts of the print head
",
below;
clean the nozzles as described in "
To clean the
nozzles of the print head
".
-Reinstall the print head.
-Call the engineering service.
T
O
CLEAN
THE
ELECTRICAL
CONTACTS
OF
THE
HEAD
With the fax machine
disconnected from the power socket
:
1-2 Lift the print head compartment cover by putting your finger in the
notch at the centre as shown in the figure.
3. Release the print head by pressing the levers and then remove it
from its seat.
4. Clean the electrical contacts using a slightly damp cloth.
Do not
touch
the nozzles.
5. Clean the electrical contacts of the print head carriage with a slightly
damp cloth and then, having reinserted the print head, close the
print head compartment cover.
T
O
CLEAN
THE
NOZZLES
OF
THE
HEAD
NOTE
This procedure is to be followed as a last resort, before
replacing the print head completely.
1. Damp a paper tissue with distilled water and then wring it out to
eliminate any surplus liquid.
2. Remove the print head as described in the previous procedure.
3. Holding the print head with the nozzles facing downwards, tap it
gently on the tissue as indicated in the figure.
4. Repeat the operation a few times, pressing the print head onto
different points of the tissue to clean the nozzles thoroughly.
5. Insert the print head as indicated previously in "
To replace the
print head
".
T
O
CLEAN
THE
HEAD
PAD
With the fax machine
disconnected from the power socket
:
1-2 Lift the print head compartment cover by putting your finger in the
notch at the centre as shown in the figure.
3. Move the print head against the left-hand side as indicated in the
figure.
4. Clean the print head pad with a dry cotton swab and close the print
head compartment cover.