HP LineJet Série Guide De Référence Rapide page 46

Chapter 1
Basic Operating Procedures
11.
On cabinet models: Open the cabinet rear door. Make sure the
paper is aligned with the label in the output area (inside the
cabinet). Close the front and rear doors. Close the platen and
printer cover.
Perform steps 12 through 28 only if you are unable to load the new
paper over the existing paper in step 3.
12.
Open both tractor doors.
13.
Remove the paper from the tractors. Allow the paper to fall into
the paper supply area.
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