Ricoh A172 - Page 221

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