Abbreviations, Unique tools required for service – Lexmark 4090-001 User Manual
Page 11
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General Information 1-2
4090-001
After you complete the repair, perform tests as needed to verify the
repair.
Abbreviations
Unique Tools Required For Service
Parallel Wrap Plug P/N 1319128
CE
Customer Engineer
CSU
Customer Setup
ESD
Electrostatic Discharge
FRU
Field Replaceable Unit
HVPS
High Voltage Power Supply
LED
Light-Emitting Diode
LVPS
Low Voltage Power Supply
NVRAM
Nonvolatile Random Access Memory
OEM
Original Equipment Manufacturer
POST
Power-On Self Test
V ac
Volts alternating current
V dc
Volts direct current
ZIF
Zero Insertion Force
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