Ricoh FT4430 Service Manual page 126

PM TABLE
C: Clean R: Replace
ITEM
OPTICS
Mirrors, lens, reflec-
1.
tors, toner shield
glass, ADS
2. Exposure glass
3. Platen cover sheet
Scanner guide rod
4.
and plate
5. Guide rod felt
PAPER FEED
6. Paper feed roller
7. Friction pad
8. Paper feed guide
plate
9. Registration sensor
10. Cassette bottom
plate pad
11. Paper feed sensor
AROUND DRUM
12. Corona wires
13. Wire cleaner
14. End blocks and
casing
15. Transfer guide plate
16. Pre-Transfer Lamp
17. Quenching Lamp
18. ID sensor
19. Erase lamp unit
CLEANING UNIT
2O. Cleaning blade
Cleaning seal
21.
22. Cleaning brush
L: Lubricate
EM 60K 120K 180K 240K
i
C c c C , c
c c
c c
c c c
c
L L
L
L L L
c
R
c
R
c c c
c c c
c c
c
c c
C
c
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
R R R
c c c
R
4-1
.
NOTES
Silicone cloth or water (cot-
ton pad), blower brush
c
Alcohol or water
c
Alcohol or water (replace if
necessary)
L Launa oil or equivalent
Refer to the NOTE 1.
L Launa oil or equivalent
Refer to the NOTE 1.
R Water
R Water. Refer to the NOTE 2.
c
c
Blower brush
c
Alcohol or water
c
Blower brush
R Dry cloth
R
c
Dry cloth
c
Dry cloth
c
Dry cloth, discharge before
installation.
c
Dry cloth, discharge before
installation.
c
Blower brush
c
Dry cloth
R Dust with setting powder
c
Replace if necessary
R Dust with setting powder
16 April '88