General Cautions
SM 4-3 D062/D063/D065/D066
Replacement
and
Adjustment
4. Do not touch the corona wires with bare hands. Oil stains from fingers may cause
uneven image density on copies.
5. Make sure that the wires are correctly between the cleaner pads and that there is no
foreign material (iron filings, etc.) on the casing.
6. When installing new corona wires, do not bend or scratch the wire surface. Doing so
may cause uneven charge. Also be sure that the corona wires are correctly positioned
in the end blocks.
7. Clean the grid plate with a blower brush (not with a dry cloth).
8. Do not touch the charge grid plate with bare hands. Also, do not bend the charge grid
plate or make any dent in it. Doing so may cause uneven charge.
4.1.7 DEVELOPMENT
1. Be careful not to nick or scratch the development roller.
2. Place the development unit on a sheet of paper after removing it from the machine.
3. Never disassemble the development roller assembly. The position of the doctor plate is
set with special tools and instruments at the factory to ensure the proper gap between
the doctor blade and the development roller.
4. Clean the drive gears after removing used developer.
5. Dispose of used developer in accordance with local regulations.
6. Never load types of developer and toner into the development unit other than specified
for this model. Doing so will cause poor copy quality and toner scattering.
7. Immediately after installing new developer, the TD sensor initial setting procedure
should be performed with SP2801 (TD Sensor Initialization) to avoid damage to the
machine. Do not perform the TD sensor initial setting with used developer. Do not
make any copies before doing the TD sensor initial setting.
8. When using a vacuum cleaner to clean the development unit casing, always ground
the casing with your fingers to avoid damaging the toner density sensor with static
electricity.
9. When replacing the TD sensor, replace the developer, then execute SP2801 (TD
Sensor Initialization) and SP2962 (Adjustment of Drum Conditions).
4.1.8 CLEANING
1. When servicing the cleaning section, be careful not to damage the edge of the
cleaning blade.
2. Do not touch the cleaning blade with bare hands.
3. Before disassembling the cleaning section, place a sheet of paper under it to catch any
toner falling from it.
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