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1-3
Samsung Electronics
1-3 Tools for Troubleshooting
The following tools are recommended for safe and smooth troubleshooting described in this service manual.
DCU(Diagnostic Control Unit)
Standard: Test equipment to diagnose the Laser
printer supplied by Samsung Electronics.
DVM(Digital Volt Meter)
Standard: Indicates more than 3 digits.
Electronic Scale
Standard: Equipment to check the weight of con-
sumables(toner cartridge) supplied by Samsung
Electronics. (The gram unit can be measured.)
Driver
Standard: "-" type, "+" type (M3 long, M3 short,
M2 long, M2 short).
Pinset
Standard: For general home use, small type.
Cotton Swab
Standard: For general home use, for medical ser-
vice.
Cleaning Equipments a IPA(Isopropyl
Alcohol)dry cloth or a soft stuff neutral
detergent.
Software(Driver) installation CD ROM
Mind your hands not to be touched when
you disassemble and reassemble PBA ASS'Y,
such as the main board, SMPS, HVPS.
Note
Ground
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