Olivetti Fax-Lab S101 Instructions Manual page 55

5. To confirm the setting, press the key:
The display shows:
The fax machine cleans the print head and tests the noz-
zles, printing out the result of the diagnostic test.
Examine the diagnostic test result and consult "Insert the
print head", chapter "How to get started quickly".
N O T E
The procedure may be aborted at any time, if desired, by pressing
the key.
N O T E
If the quality of the test result still fails to meet your expectations after
carrying out the cleaning procedure, continue as follows, stopping
when you get a satisfactory printing quality:
- Make a copy of a document with the desired type of graphics or
text on the fax machine and evaluate its quality.
- Change the type of paper (the paper in use could be excessively
porous) and repeat the procedure.
- Remove and reinsert the print head.
- Remove the print head and 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. Finally, reinstall the print
head.
- Remove the print head and 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.
- Reinstall the print head.
- Call the engineering service.
T
O CLEAN THE ELECTRICAL CONTACTS OF
THE PRINT HEAD
With the fax machine disconnected from the power socket:
1. Lower the handset and place it on a stable surface (fig. 1).
2. Open and lift the operator console as indicated by the arrows
(fig. 2).
3. Release the print head by pressing the lever as indicated by the
arrow (fig. 3).
4. Take the print head out of its compartment (fig. 4).
5. Clean the electrical contacts using a slightly damp cloth (fig. 5).
Warning!
Do not touch the nozzles.
6. Clean the electrical contacts of the print carriage with a slightly
damp cloth (fig. 6)
7. Insert the print head in its compartment with the electrical contacts
facing towards the print head compartment.
8. Push the print head until it clicks into place.
9. Close the operator console and put the handset back on its sup-
port.
T
O CLEAN THE OPTICAL READER
Dust accumulating on the glass surface of the optical reader may
cause problems in the scanning of documents. To avoid these prob-
lems, the glass should be cleaned every now and again as follows:
With the fax machine disconnected from the power socket:
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