Ricoh FT7770 Service Manual page 196

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30
April, '89
Symbol key: C = Clean R = Replace L = Lubricate A = Add I = Inspect
G.
Around Drum
1.
Drum
2.
Pick-off pawls
3.
PQC Wire
4.
CC Wires
5.
PTC Wire
6.
TC/SC Wires
7.
Wire Cleaner
Pads
8.
Quenching Lamp
9.
Erase Lamp unit
10.
Drum Thermistor
Unit
11.
Corona Casings,
End Blocks
12.
PTL and Casing
Cleaner Pads
13.
Brush Seal
14.
Image Density
Sensor
Charge Corona
15.
Fan Filter
EM 120K 240K 360K 480K 600K 1.2M
I
I
I
C
C
C
C
C
R
C
C
R
R
R
C
R
R
R
C
R
R
R
R
R
R
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
4-4
I
I
I
C
C
C
R
C
R
R
R
R
R
R
R
R
R
R
R
R
R
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
NOTE
Replace if
Necessary
Dry Cloth
Dry Cloth
Dry Cloth
Dry Cloth
Damp Cloth
Damp Cloth
Damp Cloth
Blower Brush
Check VSG

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