Field Service Ver. 2.0 Jun. 2010 8. HOW TO USE THE ADJUSTMENT SECTION
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bizhub 164ADJUSTMENT / SETTING
ADJUSTMENT/SETTING
8. HOW TO USE THE ADJUSTMENT SECTION
•“Adjustment/Setting” contains detailed information on the adjustment items and proce-
dures for this machine.
•Throughout this “Adjustment/Setting,” the default settings are indicated by “ ”.
A. Advance checks
•Before attempting to solve the customer problem, the following advance checks must be
made. Check to see if:
1. The power supply voltage meets the specifications.
2. The power supply is properly grounded.
3. The machine shares the power supply with any other machine that draws large current
intermittently (e.g., elevator and air conditioner that generate electric noise).
4. The installation site is environmentally appropriate: high temperature, high humidity,
direct sunlight, ventilation, etc.; levelness of the installation site.
5. The original has a problem that may cause a defective image.
6. The density is properly selected.
7. The original glass, slit glass, or related part is dirty.
8. Correct paper is being used for printing.
9. The units, parts, and supplies used for printing (developer, drum, etc.) are properly
replenished and replaced when they reach the end of their useful service life.
10. To n er i s n ot r unn ing ou t .
B. Precautions for service jobs
1. To unplug the power cord of the machine before starting the service job procedures.
2. If it is unavoidably necessary to service the machine with its power turned ON, use
utmost care not to be caught in the scanner cables or gears of the exposure unit.
3. Special care should be used when handling the fusing unit which can be extremely hot.
4. The developing unit has a strong magnetic field. Keep watches and measuring instru-
ments away from it.
5. Take ca r e n ot t o d am a ge the dr um w i th a t oo l o r s imi l ar dev ic e.
6. Do not touch IC pins with bare hands.
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