Ricoh A172 Service Manual page 221

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Rev. 1/16/97
ITEM
Sleeve Roller Side Seals
Development Unit Casing
Development Drive Gears
Toner Supply
Receptacles, Toner
Supply Joints
Toner Tank Cover, Toner
Bottle Guides
Development Duct Lower
Filter
Development Filter
Development Ozone Filter
Development Exhaust
Fan Filters
AROUND THE DRUM
OPC Drum
Charge Corona Wire *
Charge Corona Grid *
Corona Wire/Grid Cleaner
Wire/Grid Cleaner Spiral
Shaft
Charge corona casing
Charge corona end blocks
Quenching Lamp
Drum Potential Sensor
ID Sensor
Charge Inlet Fan Filter
DRUM CLEANING
Cleaning Blade
Cleaning Brush *
Bias Roller Blade
Drum Lubricant Bar
A172/A199
EM 40K 80K 120K 160K 200K
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
R
R
R
R
R
R
R
R
R
R
C
C
R
C
C
C
R
C
R
R
R
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
R
R
R
R
R
R
I
R
I
C
R
C
R
R
R
4-70
NOTE
Replace if damaged or
C
C
wavy.
Dry cloth or vacuum
C
C
cleaner (ATTENTION 1)
Blower brush or vacuum
C
C
cleaner
Dry cloth or vacuum
cleaner
C
C
Dry cloth or vacuum
C
C
cleaner
Blower brush or vacuum
cleaner
C
C
Replace if necessary.
(NOTE 1)
(NOTE 1)
R
R
R
R
(NOTE 1)
(NOTE 1)
R
R
or replace as necessary
R
Clean with dry cloth.
R
C
Blower brush, water, then
R
C
dry cloth (ATTENTION 2)
R
R
Wet cotton
C
C
Wet cotton and dry cloth
C
C
Dry cloth
C
C
Dry cloth
C
C
Blower brush and dry cloth
C
C
Dry cloth
C
C
(NOTE 1)
R
R
Dust with setting powder
after replacement or
R
R
cleaning.
Inspect if the brush
R
I
functions properly.
Dust with setting powder
after replacement or
R
C
cleaning.
Replace if damaged
R
R
(holes, dents, or cracks).
SM

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