IBM Infoprint 6500-v05 Maintenance Manual page 523

EMI ElectroMagnetic Interference
EMIT Emitter
EPROM Electrically Programmable Read-Only Memory
ERR Error
ESD Electrostatic Discharge
EX Exhaust, Extra
EXH Exhaust
EXF Exhaust Fan
EXP Expansion
EXPND Expand
FD Feed
FF Form Feed
FIFO First In, First Out
FLT Fault
FLTR Filter
FP Front Panel (Operator Panel)
FTIC Fire Timer Integrated Circuit
GND Ground
HB Hammer Bank
HBA Hammer Bank ASIC
HBF Hammer Bank Fan
HBL Hammer Bank, Left
HBP Hammer Bank Power
HBR Hammer Bank, Right
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