Specifications

105 S and 105 Se Printhead Replacement
Refer to Figure 5.1 while performing the following procedure.
CAUTION
Observe proper electrostatic safety precautions when removing,
handling, and replacing the Printhead.
1. Turn the printer OFF and remove the Power Cord.
2. Remove media and ribbon.
3. Properly connect yourself to an anti-static protection system.
4. Remove the Printhead Pressure Plate and the Static Removal Brush by
removing the six (6) Allen head mounting screws. (Some printers may
require the removal of two additional screws that mount the Static Removal
Brush.)
5. Note the location of the grounding strap, and carefully hold the printhead
and remove the four Phillips screws that hold it to the Mounting Bracket.
6. Holding the printhead stable, remove the electrical connector mounted at
the back of the printhead.
7. Remove the old printhead.
8. Prior to installing the new printhead, note the resistance value shown
on the label located under the new printhead.
9. Reconnect the electrical connector to the new printhead.
10. Fit the new printhead into the mounting bracket.
CAUTION
Ensure that the grounding strap is reattached by the printhead
mounting screw.
11. Loosely install the four Phillips screws through the Printhead Bracket and
the Printhead’s aluminum body.
12. After verifying the Printhead is seated properly (Printhead Bracket Guide
Pins are fitted into the guide holes on the 12 dots/mm Printhead), tighten
the Phillips head mounting screws.
13. Reinstall the Pressure Plate and Static Removal Brush with the mounting
screws.
14. Use the Preventive Maintenance Kit to clean the new printhead thoroughly.
15. Reinstall media and ribbon.
16. Connect the AC Power Cord and turn the printer power ON.
17. After the printer completes the Power On Self Test, refer to the Printhead
Resistance value (noted in Step 8 above) and perform the Printhead Voltage
Adjustment on pages 5-12 through 5-14.
18. Press the PAUSE Key while turning the printer power ON, and check the
print quality of the test labels.
S -Series Maintenance Manual: Volume 1 Corrective Maintenance
38452L Rev. 3 Page 5-3