Konica Minolta bizhub C658 Service Manual page 771

bizhub C658/C558/C458/C368/C308/C258
I ADJUSTMENT/SETTING
1. How To Use The Adjustment/Setting Section
1.1 How to use the adjustment/setting section
• "Adjustment/Setting" contains detailed information on the adjustment items and procedures for this machine.
1.2 Advance checks
Before attempting to work adjustments and settings, the following advance checks must be made. Check to see if:
• The power supply voltage meets the specifications.
• The power supply is properly grounded.
• 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)
• The installation site is environmentally appropriate:
• High temperature, high humidity, direct sunlight, ventilation, etc.
• Levelness of the installation site
NOTICE
• Installation Requirements
• The original has a problem that may cause a defective image.
• The density is properly selected.
• The original glass, original reading glass, or related part is dirty.
• Correct paper is being used for printing.
• The units, parts, and supplies used for printing (developer, PC drum, etc.) are properly replenished and replaced when they reach the end
of their useful service life.
• Toner is not running out.
• To unplug the power cord of the machine before starting
the service job procedures.
• 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.
• Special care should be used when handling the fusing unit
which can be extremely hot.
• The developing unit has a strong magnetic field. Keep
watches and measuring instruments away from it.
• Take care not to damage the PC drum with a tool or similar
device.
• Do not touch IC pins with bare hands.
I ADJUSTMENT/SETTING > 1. How To Use The Adjustment/Setting Section
WARNING
CAUTION
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