P1057798-001 rev. B • QLn420 Repair Procedures • 2-26 •
Removing the Printhead Assembly and
Peeler
1. Disassemble the printer as
described on 2-15, including
disconnecting the Printhead Cable
from the MLB.
2. Use a torque driver to remove
the (3) screws located on the
Frame above the Printhead (where
shown).
3. Separate the Frame from the
Media Guide Plate while carefully
re-routing all cables.
4. Remove the grounding screw on
each end of the Spring Bar (where
shown).
5. The Spring Bar is held in the
Frame by (2) tabs on each end of
the bar. Flex the Frame on one
end to remove the tabs from the
corresponding holes in the Frame.
6. Remove the Spring Bar ensuring
not to lose the (3) springs on the
back.
Installation Instructions
This kit includes the parts and documentation necessary to install the
P1050667-001 Printhead Assembly. Read these instructions thoroughly before
attempting to install this kit.
This symbol indicates that the operator must wear a properly grounded ESD strap to perform
the repair procedure.
Tools Required: Torque Driver (4.7 +/- 1 in. lb.) #0 or #1 Phillips bit
Repair Kit P1050667-001 Printhead Assembly
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