DSPF feed unit communication trouble 
DSPF feed unit fan trouble 
DSPF tray lift up trouble 
DSPF tray lift down trouble 
DSPF installation trouble 
PCU-Desk communication trouble 
Tray 1 lift motor trouble 
Tray 2 lift motor trouble 
Desk transport motor trouble 
LCC communication trouble 
LCC transport motor trouble 
LCC 24v power abnormality 
Desk – Main unit incompatibility trouble 
LCC – Main unit incompatibility trouble 
PCU PWB – Paper feed desk 
communication trouble. 
Communication trouble between main 
unit and vendor control 
LCC-Main unit combination trouble 
Document control module trouble