Optics - Ricoh FT4480 Field Service Manual

Table of Contents

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PM TABLE
C: Clean R: Replace L: Lubricate
ITEM

OPTICS

1. Mirrors, lens, re-
flectors, toner
shield glass, ADS
sensor
2. Exposure glass
2. Platen cover sheet
4. Scanner guide rod
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
20. Cleaning blade
21. Cleaning seal
22. Cleaning brush
23. Cleaning unit
24. Pick-off pawls
25. Used toner bottle
EM 60K 120K 180K 240K
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
C
C
C
C
C
C
C
C
C
C
C
2-1
15 MARCH 1987
NOTES
C
Silicone cloth or water
(cotton pad), blower brush
C
Alcohol or water
C
Alcohol or water (replace if
necessary)
L
Launa oil or equivalent
L
Launa oil or equivalent
R
Water
R
Water
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
Dry cloth
C
R
Dust with setting powder
Replace if necessary
C
R
Dust with setting powder
C
C
Replace if necessary
Empty of used toner
C

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