Replacing The Printhead - Printronix t8000 Administrator's Manual

3. Load an alternate roll of media. Test again for vertical streaks.
4. Load an alternate roll of ribbon. Test again for vertical streaks.
If after performing all these tests you still see fixed vertical streaks, you must replace the printhead.

Replacing the Printhead

1. Set the printer power switch to O (Off).
WARNING
Always unplug the printer power cord from the printer or power outlet before
doing any installation procedure. Failure to remove power could result in injury
to you and damage the equipment. When applicable, you will be instructed to
apply power.
2. Unplug the printer power cord from the printer or the AC power source.
3. Remove the ribbon and media (e.g., paper, label, or tag stock material).
Pivoting Deck
Printhead Assembly
CAUTION
Oils from your hands can damage the light brown area (heating elements) of the
printhead. Do not touch the light brown area when you handle the printhead
assembly.
4. Open the pivoting deck by rotating the deck lock lever fully clockwise. The pivoting deck will swing
upward, exposing the bottom of the printhead assembly.
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Figure 21 Opening the Pivoting Deck
Deck Lock Lever