Chapter 7: Diagnostics and Maintenance
Linx 4900 Operating Manual 150 MP65492–1
7.3.5 To Flush the Nozzle
WARNING: HAZARDOUS INKS AND SOLVENTS. SAFETY
GLASSES AND SOLVENT RESISTANT PROTECTIVE
GLOVES MUST BE WORN THROUGHOUT THE
FOLLOWING PROCEDURE. FAILURE TO COMPLY WITH
THIS SAFETY WARNING COULD RESULT IN IRRITATION
AND REVERSIBLE LOCAL DAMAGE TO THE EYES, AND
NON-ALLERGIC CONTACT DERMATITIS.
You can use the Nozzle Flush sequence to clear the nozzle of any debris
that may cause the ink jet to misalign, for example, dried ink or minute
fibres.
During a Nozzle Flush, a stream of solvent is forced out of the nozzle and
returned to the ink system through the gutter.
To flush the nozzle, do the following:
1. Ensure that the printer is in the “Jet Off” state. To verify this, check the
Status in the PRINT STATUS screen.
2. Place a container beneath the printhead to collect any solvent that may
drain off.
3. At the CURRENT MESSAGE screen, press the [F4] function key to
display the SETUP menu.
4. Select Diagnostics Menu > Nozzle Flush. The printer displays a
“Flushing Nozzle : Please Wait” message on the Status Line to
indicate that the nozzle flush is in progress.
This message is displayed for approximately 2 minutes 20 seconds,
which is the time it takes the nozzle flush to complete.
NOTE: The Nozzle Flush sequence should normally cure any nozzle
alignment problems. However, if the procedure is unsuccessful,
use the Nozzle Clear sequence to solve the problem.
4900 Op Manual.book Page 150 Tuesday, September 9, 2003 12:32 PM
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