Tektronix Phaser 600 User Manual page 585

6 Press an arrow button until you see this message:
7 Press the Print button; the Test Print demonstrates the condition of the
printhead jets.
If this does not clear the problem, turn the printer off for two hours. When you turn
the printer on again, print the Test Print from the Utilities menu in the front panel. If
the problem still exists, you may need to call for a service technician to manually
clean the head wiper. Refer to
Test Print
<--- ---> Print
If you need help
5 6 9
for information.
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