Tektronix Phaser 300X - Manual (Page 124)

Troubleshooting 6
User Manual 6-15
5. If cleaning the wiper does not correct the printing problem, and if
your altitude is 4500 feet (1500 meters) or more above sea level, change
the Head Drive mode:
a. With the printer on and the Ready message displayed in the
front panel, press the UTILITIES button to access the Utilities
mode.
b. Press the TEST PRINT button ( Next ) to scroll to the Head
Drive mode. You see this message:
Head Drive: 1
Change Next
c. Press the CLEAN PRINT HEAD ( Change ) button so that the
message reads:
Head Drive: 2
Change Next
d. Press the TEST PRINT ( Next ) button several times to return to
the Utilities mode.
e. Press the CLEAN PRINT HEAD button ( Exit ) to exit the
Utilities mode. The front panel displays the Ready message.
f. After changing the Head Drive mode, press the CLEAN PRINT
HEAD button to execute another purge; then make another test
print by pressing the TEST PRINT button.
6. If you still experience print quality problems, turn the printer off,
wait at least 2 hours, then turn the printer on again. This
“temperature cycle“ cleaning may solve the problem.
7. If print quality problems persist after the temperature cycle, call a
service representative (refer to “If you need help” on page 6-1).
You may have a malfunctioning ink-jet.