• 2-19 • P1057798-001 rev. B • QLn420 Repair Procedures
5. Ensure the Hinge Pin is centered
and flush with the end of each
hinge slot (where shown).
6. Peel the backing off the Black Bar
Cable and press it firmly in the
recess on the back, and along the
bottom (inset image), of the Media
Guide Plate.
7. After assembling the printer,
connect the Black Bar Cable to J8
on the MLB.