HP LineJet Série Guide De Référence Rapide page 89

STACKER FULL
Paper stacker has reached full capacity. Check amount of paper in
stacker and remove paper to continue printing.
STACKER FAULT*
Failed motor circuit. Contact your Hewlett-Packard Customer
Service Engineer.
STACKER JAM
Jammed paper, or foreign object, in unit's travel path.
89
Fault Messages